DISCLAIMER -- THIS IS NOT AN EARTHQUAKE PREDICTION OR WARNING! The commentary provided with these map(s) is for INFORMATIONAL USE ONLY, and SHOULD NOT be construed as an earthquake prediction, warning, or advisory. Responsibility for such warnings rests with the Office of Emergency Services of the State of California. PLEASE REMEMBER -- THESE ARE PRELIMINARY DATA Releasing these summaries on a timely basis requires that the data, analysis, and interpretations presented are PRELIMINARY. Of necessity they can only reflect the views of the seismologists who prepared them, and DO NOT carry the endorsement of the U.S.G.S. Thus while every effort is made to ensure that the information is accurate, nothing contained in this report is to be construed as and earthquake prediction, warning, advisory, or official policy statement of any kind, of the U.S. Geological Survey, or the U.S. Government. FOR QUESTIONS CONCERNING THIS REPORT Send e-mail to michael@andreas.wr.usgs.gov DO NOT SEND EMAIL TO weekly@garlock.wr.usgs.gov It will not be read. Seismicity Report for Northern California, the Nation, and the World for the week of July 10 - 16, 1997 Stephen R. Walter U.S. Geological Survey 345 Middlefield Rd. MS-977, Menlo Park, CA 94025 San Francisco Bay Area During the seven-day period ending at midnight on Wednesday, July 16, 1997 the U.S. Geological Survey office in Menlo Park recorded 13 earthquakes of magnitude one (M1) and greater within the San Francisco Bay area shown in Figure 1. Three were as large as M2.0. This total compares to 18 earthquakes during the prior seven-day period (July 3 - 9), three of which were as large as M2. Except for two felt earthquakes, the week would have been very quiet. Instead, residents of the Santa Cruz Mountains were awakened Sunday night by a M3.8 on the San Gregorio fault about 12 miles northwest of Boulder Creek (#1/1). The quake, the largest on the San Gregorio in at least seven years, was felt throughout the Santa Cruz Mountains and at least as far north as Atherton. (Note: the second felt event actually occurred just after noon on Thursday, July 17 and normally would be included in next week's seismicity summary. However, in the interest of timeliness and because it was widely felt in the South Bay I am including it in this report). The M4.1 earthquake occurred close to the southern end of the Sargent fault, about three miles southwest of Gilroy (#2/1). It was felt throughout the San Jose area, as far north as Redwood City, and south at least as far as Salinas. No damage was reported from the earthquake. Only four small (M1) aftershocks had occurred within three hours following the earthquake. Northern & Central California The week was relatively quiet throughout the rest of the state. The only earthquakes as large as M3 were a M4.2 and a M3.4 aftershock along the Mendocino fracture zone just after noon on Wednesday (#9/2). Neither was reported to have been felt onshore, although it is possible that the M4.2 may have been felt in Petrolia, some 42 miles to the east. Other events of note in northern California included a M2.2 Monday morning just five miles east of Redding (#5/2), a M2.2 on the Bartlett Springs fault north of Clear Lake (#7/2), and a M2.1 four miles east of Napa early Monday afternoon. Central California experienced a trio of M2's on the creeping segment of the San Andreas north of the Pinnacles (#1/2), a M2.0 southeast of Point sur (#2/2), and a M2.1 along the coast about five miles east of San Simeon (#6/2). The eastern Sierra Nevada margin experienced a M2.8 in the Markleeville area (#3/2) and a pair of M2.8 events in the Loyalton area north of Lake Tahoe (#8/2). In the southern Sierra Nevada range a M2.0 occurred about 28 miles northeast of Lake Isabella (#4/2). Long Valley Caldera The earthquake swarm along the south side of the resurgent dome that began on July 7th had pretty much ended by Friday (#1/3). A dozen M2 events occurred here on Thursday and Friday, the largest a M2.7 just after midnight early Thursday morning. The largest earthquakes in the area both occurred south of the caldera. The first was a M3.0 just before midnight last Thursday that was located about two miles west of Convict Lake (#2/3). the second M3.0 event occurred Monday afternoon about 13 miles northwest of Bishop and about the same distance southeast of Lake Crowley (#3/3). USA Seismicity (July 9 - 17) According the National Earthquake Information Center, the largest domestic earthquake was a M5.0 last Thursday evening on the Blanco Fracture zone about 250 miles west of the central Oregon coast (#2/4). It was preceded earlier that morning by a M4.6 foreshock. Other events of note in the Pacific Northwest included a M3.6 offshore of Vancouver Island (#1/4) and a M3.6 beneath the central Puget Sound area that was felt on Bainbridge Island and in the Seattle area (#3/4). A M4.0 early Thursday morning in southeastern Idaho was likely felt in the Georgetown area (#6/4). The Planet Earth (July 9 - 17) The only large earthquake on the planet was a M6.0 in the Kuril Islands that was felt at Yuzhno-Kurilsk (#4/5). Slightly smaller was a M5.8 in the Taiwan region that was felt most strongly in Hue-lien and I-lan and less so at Taipei (#5/5). Other felt events of note include a M5.1 near the south coast of Honshu, Japan (#1/5), a M5.1 in northern Chile (#2/5), and a pair of M5's along the Chile-Bolivia Border (#3/5). The only earthquake reported to have caused damage was a moderate M4.7 along the Panama-Costa Rica border that caused slight damage at David, Panama (#6/5). Table 1. Northern & Central California Seismicity (M>1.0) --ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH N N RMS ERH ERZ DUR YR MON DA HRMN SEC DEG MIN DEG MIN KM RD S SEC KM KM REMKS MAG 97 JUL 10 714 19.42 37 39.06 118 56.25 6.93 28 .08 .3 .4 SMO 3.1 97 JUL 10 715 17.85 37 39.46 118 56.76 14.02 7 .17 2.0 3.2 SMO 1.5 97 JUL 10 715 51.08 37 39.21 118 55.50 7.17 9 .05 .6 .9 SMO 2.0 97 JUL 10 716 30.80 37 39.14 118 55.53 6.66 12 .04 .4 .7 SMO 1.8 97 JUL 10 717 15.70 37 39.25 118 55.70 6.72 14 .08 .4 .7 SMO 2.0 97 JUL 10 717 57.62 37 39.49 118 55.67 6.39 7 .02 1.4 1.7 SMO 1.0 97 JUL 10 718 18.53 37 37.63 118 56.39 0.93 8 .05 .5 .7 SMO 1.2 97 JUL 10 718 44.27 37 39.24 118 55.53 7.82 12 .06 .4 1.3 SMO 1.4 97 JUL 10 719 58.15 37 39.46 118 55.98 7.67 13 .05 .4 1.1 SMO 1.7 97 JUL 10 720 15.32 37 41.58 118 55.33 21.89 8 .13 3.4 7.0 DOM 1.1 97 JUL 10 722 4.00 37 38.96 118 55.68 6.63 12 .05 .4 .9 SMO 1.3 97 JUL 10 724 42.32 37 38.96 118 55.75 6.13 13 .06 .3 .6 SMO 1.2 97 JUL 10 725 10.49 37 41.70 118 50.21 2.20 8 .34 2.828.8 DOM - 1.2 97 JUL 10 725 47.58 37 41.53 118 52.42 17.85 12 .21 2.5 1.8 DOM 1.5 97 JUL 10 727 20.74 37 39.22 118 55.43 7.02 18 .06 .3 .6 SMO 1.7 97 JUL 10 728 2.10 37 39.00 118 55.77 6.67 8 .04 .5 1.2 SMO 1.1 97 JUL 10 728 32.62 37 39.04 118 55.58 6.48 19 .07 .3 .6 SMO 1.9 97 JUL 10 729 1.30 37 39.34 118 55.32 7.56 14 .03 .4 .7 SMO 1.9 97 JUL 10 734 41.44 37 39.39 118 56.04 6.31 18 .07 .4 .6 SMO 1.7 97 JUL 10 735 53.37 37 39.42 118 55.50 7.49 13 .05 .4 .7 SMO 1.2 97 JUL 10 737 25.10 37 39.65 118 55.58 6.86 7 .01 1.0 1.3 SMO 1.1 97 JUL 10 739 24.34 37 36.68 118 55.29 7.38 10 .40 1.7 4.2 SHE 1.9 97 JUL 10 756 33.36 37 39.38 118 56.01 6.40 20 .08 .4 .5 SMO 1.9 97 JUL 10 757 46.61 37 39.26 118 55.43 6.91 14 .06 .4 .7 SMO 1.4 97 JUL 10 805 2.71 37 39.20 118 55.93 7.22 18 .07 .4 .6 SMO 1.7 97 JUL 10 810 26.14 37 40.84 118 54.07 20.49 12 .23 2.2 3.0 DOM 1.8 97 JUL 10 820 52.95 37 41.54 118 53.91 20.44 14 .22 1.5 2.9 DOM 1.3 97 JUL 10 823 2.93 37 39.27 118 55.27 7.05 17 .07 .4 .6 SMO 1.6 97 JUL 10 825 56.41 38 49.35 122 47.79 3.81 8 .02 .3 .6 GEY 1.4 97 JUL 10 835 43.16 37 39.54 118 55.32 7.51 10 .04 .5 1.0 DOM 1.1 97 JUL 10 837 1.38 37 39.21 118 55.59 7.03 9 .04 .6 1.0 SMO 1.0 97 JUL 10 837 25.28 37 39.43 118 55.93 6.60 14 .06 .4 .7 SMO 1.5 97 JUL 10 853 8.28 37 39.45 118 55.98 6.33 16 .07 .4 .6 SMO 1.6 97 JUL 10 859 44.09 37 39.34 118 55.86 6.61 15 .06 .3 .7 SMO 1.5 97 JUL 10 915 3.53 37 39.27 118 55.60 6.69 15 .07 .4 .6 SMO 1.6 97 JUL 10 918 0.32 37 39.00 118 55.55 6.71 21 .13 .4 .7 SMO 2.3 97 JUL 10 919 41.96 37 39.38 118 56.06 6.62 16 .05 .3 .6 SMO 1.5 97 JUL 10 920 26.39 37 39.34 118 56.08 6.21 17 .06 .3 .5 SMO 1.7 97 JUL 10 921 37.51 37 39.34 118 55.97 6.49 16 .06 .3 .7 SMO 1.7 97 JUL 10 1012 40.57 37 38.76 118 56.08 2.49 12 .24 .7 1.2 SMO 1.5 97 JUL 10 1012 52.33 37 39.13 118 55.31 8.18 8 .05 .6 2.0 SMO 1.3 97 JUL 10 1017 6.42 37 39.22 118 55.46 6.76 19 .06 .3 .5 SMO 2.0 97 JUL 10 1029 3.73 38 49.56 122 47.68 3.64 7 .03 .4 .9 GEY 1.1 97 JUL 10 1044 4.83 37 39.04 118 55.51 6.42 8 .03 .7 1.1 SMO 1.0 97 JUL 10 1052 31.51 37 39.36 118 55.96 6.63 11 .04 .4 .9 SMO 1.0 --ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH N N RMS ERH ERZ DUR YR MON DA HRMN SEC DEG MIN DEG MIN KM RD S SEC KM KM REMKS MAG 97 JUL 10 1101 15.47 37 38.49 118 53.02 6.42 7 .35 1.8 2.3 SMO 1.2 97 JUL 10 1116 54.43 37 39.19 118 56.03 6.76 21 .08 .3 .5 SMO 2.1 97 JUL 10 1119 53.12 37 39.11 118 55.94 5.62 15 .08 .4 .7 SMO 2.0 97 JUL 10 1152 49.10 37 39.33 118 55.93 6.62 10 .04 .4 .9 SMO 1.1 97 JUL 10 1208 15.13 37 39.66 118 55.84 6.87 7 .01 1.1 1.4 SMO 1.0 97 JUL 10 1236 29.28 37 39.33 118 55.39 7.44 9 .05 .9 1.3 SMO 1.1 97 JUL 10 1246 50.68 35 35.53 118 13.48 9.96 7 .08 .5 1.6 WWF 1.2 97 JUL 10 1338 27.82 37 39.67 118 54.79 10.32 15 .12 .7 1.0 DOM 1.4 97 JUL 10 1354 1.93 37 39.16 118 55.82 6.91 20 .08 .3 .6 SMO 1.9 97 JUL 10 1559 39.91 37 14.92 121 38.14 3.59 13 .03 .2 1.1 SFL 1.2 97 JUL 10 1845 41.34 37 39.15 118 55.98 7.24 16 .06 .4 .6 SMO 1.5 97 JUL 10 1921 38.76 37 39.22 118 55.70 5.77 7 .02 .5 1.1 SMO 1.7 97 JUL 10 1925 20.21 37 41.26 118 54.69 0.01 10 .16 1.6 1.0 DOM # 1.6 97 JUL 10 1926 24.44 37 39.10 118 55.55 6.60 11 .04 .4 .7 SMO 1.6 97 JUL 10 1926 39.91 37 39.36 118 55.62 7.14 11 .04 .6 .9 SMO 2.0 97 JUL 10 1944 37.16 37 32.57 118 52.47 3.46 8 .04 .5 2.5 MOR 1.3 97 JUL 10 2118 43.18 37 39.18 118 55.60 7.10 12 .06 .4 .8 SMO 1.4 97 JUL 10 2133 49.73 37 33.98 121 34.39 9.51 8 .03 .7 1.3 HAM 1.2 97 JUL 10 2222 14.82 36 34.63 121 7.73 11.10 51 .05 .2 .3 BVL 2.6 97 JUL 11 11 24.28 37 39.38 118 55.80 7.62 19 .05 .3 .5 SMO 1.7 97 JUL 11 211 19.09 36 15.57 121 45.68 9.85 25 .06 .6 1.0 SUR 2.0 97 JUL 11 252 2.99 38 49.27 122 48.11 4.07 15 .06 .3 .6 GEY 1.8 97 JUL 11 350 14.49 37 39.15 118 55.88 6.91 16 .06 .4 .6 SMO 1.4 97 JUL 11 410 39.58 37 39.47 118 55.65 7.49 12 .03 .5 .9 SMO 1.0 97 JUL 11 411 0.45 37 39.08 118 55.00 7.44 12 .04 .4 .8 DOM 1.1 97 JUL 11 416 49.51 37 39.04 118 55.24 7.33 12 .04 .4 .8 SMO 1.4 97 JUL 11 440 53.95 37 38.37 118 47.93 31.53 10 .3210.820.9 EMO - 2.0 97 JUL 11 443 56.16 37 38.96 118 55.55 5.09 11 .12 .6 .8 SMO 1.0 97 JUL 11 444 50.07 37 39.02 118 55.55 7.64 7 .03 .7 1.1 SMO 1.0 97 JUL 11 445 2.08 37 46.64 118 50.69 22.48 9 .17 8.8 8.0 GLA - 1.3 97 JUL 11 447 42.06 37 40.58 118 53.16 0.02 7 .22 .8 .9 DOM # 1.1 97 JUL 11 454 59.06 37 39.16 118 55.11 6.62 10 .02 .5 .9 DOM 1.1 97 JUL 11 458 27.66 37 39.04 118 55.10 7.29 11 .04 .4 .7 SMO 1.2 97 JUL 11 501 50.34 37 39.02 118 55.00 7.23 11 .04 .4 .8 DOM 1.1 97 JUL 11 521 8.38 37 59.13 122 2.22 12.46 7 .12 1.0 2.0 CON 1.1 97 JUL 11 529 11.73 37 41.82 118 47.74 1.67 7 .22 8.819.2 EMO - 1.0 97 JUL 11 534 14.36 37 39.00 118 55.30 6.53 19 .08 .4 .6 SMO 2.0 97 JUL 11 537 33.56 37 39.08 118 50.78 5.78 14 .14 .6 .8 HCF 1.2 97 JUL 11 548 3.47 37 39.07 118 54.97 7.27 11 .03 .4 .9 DOM 1.0 97 JUL 11 604 8.74 37 39.54 118 55.80 6.69 8 .01 .9 1.6 SMO 1.0 97 JUL 11 605 7.69 37 39.00 118 55.05 7.26 16 .06 .4 .6 SMO 1.4 97 JUL 11 625 40.53 37 39.16 118 55.04 6.82 9 .02 .6 1.0 DOM 1.1 97 JUL 11 626 7.09 37 32.17 118 51.71 6.05 15 .05 .3 .7 MOR 1.5 97 JUL 11 628 59.63 37 39.01 118 55.22 6.76 18 .06 .4 .5 SMO 1.8 97 JUL 11 637 52.51 38 47.88 119 38.75 0.02 35 .34 1.1 1.6 WAK # 2.8 --ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH N N RMS ERH ERZ DUR YR MON DA HRMN SEC DEG MIN DEG MIN KM RD S SEC KM KM REMKS MAG 97 JUL 11 659 28.79 37 35.74 118 54.62 5.69 30 .08 .3 .4 SIL 3.0 97 JUL 11 701 40.60 37 35.85 118 54.29 5.93 20 .07 .3 .5 SIL 1.6 97 JUL 11 701 44.93 37 58.16 118 23.69 5.00 9 .5240.143.4 MOL - 2.4 97 JUL 11 714 29.06 37 35.69 118 54.22 6.18 14 .07 .4 .6 SIL 1.4 97 JUL 11 727 3.54 37 38.96 118 55.16 7.17 12 .04 .4 .7 SMO 1.2 97 JUL 11 743 11.48 37 39.22 118 55.39 7.98 7 .02 1.1 1.5 SMO 1.0 97 JUL 11 745 47.22 37 39.03 118 55.31 6.81 15 .07 .4 .6 SMO 1.5 97 JUL 11 759 28.19 37 39.04 118 55.09 7.50 15 .04 .4 .7 SMO 1.5 97 JUL 11 759 55.16 37 38.52 118 55.16 3.68 14 .11 .4 1.0 SMO 1.6 97 JUL 11 813 56.28 37 38.94 118 54.88 7.01 12 .05 .5 .8 SMO 1.1 97 JUL 11 823 40.80 37 38.97 118 55.10 7.96 12 .03 .4 1.1 SMO 1.7 97 JUL 11 831 27.00 37 38.66 122 2.77 2.40 18 .11 .3 .7 HAY 1.7 97 JUL 11 843 44.29 37 38.21 118 53.22 3.00 10 .42 1.5 2.9 SMO 1.2 97 JUL 11 846 33.86 37 39.07 118 55.14 6.86 16 .06 .3 .6 SMO 1.4 97 JUL 11 847 37.03 37 39.01 118 55.11 6.39 16 .05 .3 .6 SMO 1.8 97 JUL 11 847 58.43 37 38.62 118 54.99 6.28 10 .05 .6 .9 SMO 1.1 97 JUL 11 850 35.82 37 38.82 118 55.35 6.39 23 .07 .3 .4 SMO 2.2 97 JUL 11 852 39.82 37 38.51 118 54.74 6.21 11 .11 .5 1.0 SMO 1.6 97 JUL 11 854 11.03 37 38.87 118 55.14 7.09 12 .04 .4 .8 SMO 1.0 97 JUL 11 922 38.01 37 40.12 118 52.64 17.70 13 .25 1.9 3.9 DOM 1.3 97 JUL 11 924 6.23 37 39.15 118 55.49 7.25 15 .05 .4 .7 SMO 1.4 97 JUL 11 925 8.86 37 29.36 118 48.37 7.27 14 .05 .7 .8 MOR 1.3 97 JUL 11 929 13.12 37 39.08 118 55.41 7.09 14 .05 .4 .7 SMO 1.3 97 JUL 11 929 56.05 37 39.06 118 55.37 7.16 14 .06 .3 .7 SMO 1.2 97 JUL 11 954 11.80 37 32.08 118 51.59 6.02 11 .04 .5 1.0 MOR 1.2 97 JUL 11 1023 27.95 38 49.41 122 47.85 3.80 8 .02 .4 .8 GEY 1.3 97 JUL 11 1026 9.52 37 38.77 118 56.45 8.47 16 .20 .8 1.5 SMO 1.4 97 JUL 11 1031 37.39 37 39.80 118 56.49 12.06 8 .03 .7 1.0 SMO 1.4 97 JUL 11 1034 5.59 37 39.32 118 55.08 7.96 7 .03 1.0 1.5 DOM 1.2 97 JUL 11 1037 8.48 37 39.14 118 54.97 8.06 14 .04 .4 .8 DOM 1.4 97 JUL 11 1038 29.63 37 38.98 118 55.04 7.58 11 .05 .6 .9 SMO 1.2 97 JUL 11 1041 43.99 37 38.78 118 55.04 7.11 21 .06 .3 .5 SMO 2.0 97 JUL 11 1043 19.20 37 39.00 118 55.05 7.33 11 .04 .5 .7 SMO 1.0 97 JUL 11 1047 37.92 37 38.87 118 55.00 7.45 12 .06 .6 .8 SMO 1.2 97 JUL 11 1110 53.20 37 38.86 118 55.01 7.17 18 .06 .3 .5 SMO 1.6 97 JUL 11 1125 22.28 37 39.26 118 55.04 8.12 10 .05 .6 1.1 DOM 1.1 97 JUL 11 1126 5.43 37 38.98 118 55.31 6.12 13 .07 .4 .7 SMO 1.5 97 JUL 11 1134 11.15 37 39.05 118 54.99 7.79 17 .04 .3 .6 DOM 1.4 97 JUL 11 1136 8.61 37 38.94 118 55.08 7.38 12 .04 .4 .7 SMO 1.0 97 JUL 11 1142 32.48 37 35.86 118 54.29 6.77 7 .04 1.0 1.8 SIL 1.0 97 JUL 11 1152 47.41 37 39.02 118 55.14 7.20 15 .04 .3 .6 SMO 1.4 97 JUL 11 1153 4.88 37 38.84 118 55.30 6.82 17 .05 .4 .6 SMO 1.9 97 JUL 11 1200 34.40 37 39.10 118 55.04 7.69 12 .04 .7 .9 DOM 1.1 97 JUL 11 1205 14.22 37 39.15 118 55.26 8.00 9 .03 .8 1.3 SMO 1.0 97 JUL 11 1218 54.47 37 38.85 118 55.32 6.93 18 .06 .3 .5 SMO 1.7 --ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH N N RMS ERH ERZ DUR YR MON DA HRMN SEC DEG MIN DEG MIN KM RD S SEC KM KM REMKS MAG 97 JUL 11 1225 36.79 37 39.09 118 55.09 7.71 15 .03 .4 .7 SMO 1.8 97 JUL 11 1227 4.16 37 39.06 118 55.02 7.36 10 .04 .7 1.0 DOM 1.0 97 JUL 11 1233 46.01 37 39.10 118 55.09 7.74 13 .04 .5 .7 DOM 1.6 97 JUL 11 1249 41.90 37 38.89 118 55.11 7.49 8 .04 .6 .9 SMO 1.0 97 JUL 11 1250 52.65 37 42.44 118 54.26 18.32 9 .16 3.5 5.3 DOM 1.1 97 JUL 11 1252 16.98 37 38.82 118 55.23 6.97 17 .04 .3 .5 SMO 1.8 97 JUL 11 1257 52.31 37 38.81 118 55.23 7.04 15 .04 .3 .6 SMO 1.6 97 JUL 11 1258 33.97 37 39.00 118 55.27 7.28 16 .03 .3 .6 SMO 1.2 97 JUL 11 1303 41.45 37 38.99 118 54.93 7.67 16 .04 .4 .6 SMO 1.6 97 JUL 11 1325 58.26 37 39.07 118 54.98 7.18 10 .04 .7 1.1 DOM 1.0 97 JUL 11 1331 23.50 37 35.65 118 54.35 6.05 18 .05 .3 .5 SIL 1.8 97 JUL 11 1342 9.12 37 39.05 118 50.78 6.93 16 .06 .3 .6 HCF 1.5 97 JUL 11 1349 4.97 37 38.99 118 50.96 6.66 23 .06 .3 .5 HCF 1.9 97 JUL 11 1400 13.84 37 38.65 118 55.36 6.86 19 .07 .3 .6 SMO 1.5 97 JUL 11 1625 38.48 37 34.76 118 38.82 30.59 7 .25 3.2 6.8 CAS 1.7 97 JUL 11 1632 44.12 37 39.10 118 55.22 7.10 11 .03 .4 .7 SMO 1.0 97 JUL 11 1640 44.86 37 38.98 118 55.36 6.90 15 .06 .3 .6 SMO 1.4 97 JUL 11 1703 42.16 37 39.09 118 54.86 8.18 14 .05 .4 .6 DOM 1.2 97 JUL 11 1743 43.02 37 38.99 118 50.74 6.66 12 .06 .5 .7 HCF 1.1 97 JUL 11 1750 50.51 37 38.96 118 55.04 7.78 14 .04 .3 .7 SMO 1.0 97 JUL 11 1805 56.66 37 35.70 118 54.25 6.11 18 .06 .3 .6 SIL 1.4 97 JUL 11 2015 42.14 37 39.30 118 55.93 6.98 18 .07 .4 .6 SMO 1.2 97 JUL 11 2108 57.85 37 50.68 122 0.44 7.97 10 .03 .3 .7 CON 1.4 97 JUL 11 2140 0.75 37 29.66 118 45.96 0.65 10 .06 .5 .4 WCN 1.4 97 JUL 11 2153 47.98 37 38.89 118 55.17 7.16 12 .05 .6 1.0 SMO 1.2 97 JUL 11 2237 7.07 37 39.03 118 50.79 6.91 20 .07 .3 .6 HCF 1.7 97 JUL 11 2257 0.74 37 39.19 118 50.92 6.53 15 .07 .4 .6 HCF 1.6 97 JUL 11 2326 5.43 37 39.37 118 50.71 6.65 13 .06 .6 .8 HCF 1.0 97 JUL 11 2327 42.78 37 39.29 118 50.86 6.27 10 .06 .6 .6 HCF 1.4 97 JUL 11 2327 58.42 38 46.27 122 43.76 2.05 17 .07 .2 .4 GEY 2.1 97 JUL 11 2342 12.07 37 39.13 118 50.56 6.87 11 .07 .6 .7 HCF 1.5 97 JUL 12 6 38.68 37 39.06 118 50.85 6.70 17 .06 .4 .6 HCF 1.5 97 JUL 12 32 31.09 38 49.06 122 46.62 2.68 9 .02 .3 .6 GEY 1.2 97 JUL 12 45 39.69 37 39.46 118 51.16 5.49 10 .05 .8 .8 DOM 1.1 97 JUL 12 56 31.43 37 38.94 118 50.85 6.72 21 .07 .3 .5 HCF 1.7 97 JUL 12 59 51.16 37 39.12 118 50.89 6.40 14 .06 .4 .6 HCF 1.3 97 JUL 12 105 39.50 37 37.87 118 49.94 8.71 13 .11 .6 1.0 HCF 1.7 97 JUL 12 112 40.82 37 38.96 118 50.95 6.55 28 .06 .3 .4 HCF 2.3 97 JUL 12 131 47.32 37 39.45 118 51.16 5.44 8 .04 .9 .9 DOM 1.0 97 JUL 12 132 32.43 37 38.74 118 50.71 6.29 11 .07 .5 .6 HCF 1.1 97 JUL 12 145 49.57 37 39.11 118 50.94 5.72 7 .02 .8 .9 HCF 1.0 97 JUL 12 149 33.96 37 39.19 118 51.04 5.77 9 .04 .7 .7 HCF 1.0 97 JUL 12 213 24.94 37 38.90 118 50.82 6.73 20 .06 .3 .5 HCF 1.7 97 JUL 12 218 56.14 37 38.88 118 50.85 6.67 22 .06 .3 .5 HCF 1.4 97 JUL 12 240 28.74 37 39.05 118 50.87 5.91 13 .06 .5 .6 HCF 1.0 --ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH N N RMS ERH ERZ DUR YR MON DA HRMN SEC DEG MIN DEG MIN KM RD S SEC KM KM REMKS MAG 97 JUL 12 245 20.81 37 39.55 118 56.00 6.86 10 .02 .8 1.3 SMO 1.0 97 JUL 12 249 57.12 37 38.99 118 50.92 6.60 18 .06 .3 .6 HCF 1.7 97 JUL 12 251 9.72 37 38.73 118 50.86 6.70 12 .05 .5 .6 HCF 1.3 97 JUL 12 301 0.30 37 33.68 118 52.17 7.04 9 .04 .7 1.0 MOR 1.0 97 JUL 12 305 57.47 37 39.03 118 50.92 6.13 12 .05 .4 .6 HCF 1.1 97 JUL 12 321 39.01 37 28.94 118 45.57 2.39 8 .06 1.4 2.4 WCN 1.3 97 JUL 12 358 10.18 37 39.03 118 50.98 6.31 13 .05 .4 .6 HCF 1.1 97 JUL 12 430 56.95 36 28.17 121 2.72 5.47 18 .05 .4 .7 BIT 1.6 97 JUL 12 441 29.92 37 39.11 118 56.04 6.69 24 .08 .3 .4 SMO 2.3 97 JUL 12 501 56.80 37 38.97 118 50.98 6.46 25 .07 .3 .5 HCF 1.8 97 JUL 12 507 4.79 37 39.14 118 50.85 5.93 12 .06 .4 .6 HCF 1.2 97 JUL 12 514 52.86 37 39.14 118 50.81 6.68 20 .06 .3 .5 HCF 1.6 97 JUL 12 518 50.03 36 30.12 121 4.93 4.71 13 .05 .4 .6 BIT 1.3 97 JUL 12 548 23.03 37 39.49 118 50.94 5.65 10 .05 .5 .6 HCF 1.0 97 JUL 12 602 13.90 37 38.97 118 50.85 6.76 18 .06 .3 .6 HCF 1.5 97 JUL 12 629 24.82 36 55.74 121 30.55 3.69 33 .19 .3 .7 SAR 1.6 97 JUL 12 640 56.59 37 28.65 118 59.84 5.60 10 .04 .9 1.8 SIL 1.4 97 JUL 12 711 25.37 37 39.19 118 55.75 6.84 18 .08 .4 .6 SMO 1.7 97 JUL 12 718 12.01 37 39.17 118 50.84 6.28 14 .06 .4 .6 HCF 1.2 97 JUL 12 836 26.68 36 3.95 121 35.42 0.08 8 .60 4.723.9 SUR # 1.4 97 JUL 12 914 36.99 36 38.33 121 5.86 11.60 26 .14 .4 .8 BVL 1.5 97 JUL 12 915 3.94 36 36.28 121 7.13 1.57 8 .34 1.3 3.9 BVL 1.0 97 JUL 12 919 28.49 36 38.63 121 5.65 13.80 10 .07 .6 1.3 PAN 1.3 97 JUL 12 933 22.35 37 39.08 118 56.03 6.76 15 .08 .4 .7 SMO 1.2 97 JUL 12 934 11.42 37 39.25 118 55.95 7.24 13 .06 .4 .8 SMO 1.8 97 JUL 12 934 18.17 37 39.21 118 56.01 7.23 11 .06 .4 1.1 SMO 1.6 97 JUL 12 1030 6.06 37 39.33 118 56.04 7.08 16 .06 .4 .6 SMO 1.6 97 JUL 12 1223 21.15 37 35.43 118 47.06 14.22 17 .31 1.4 3.0 MOR 1.5 97 JUL 12 1252 26.69 38 48.85 122 46.57 1.22 8 .03 .3 .6 GEY 1.4 97 JUL 12 1329 34.68 37 39.15 118 56.10 6.92 17 .07 .4 .6 SMO 1.3 97 JUL 12 1501 47.71 37 40.07 118 52.48 2.32 9 .47 2.0 4.8 DOM 1.2 97 JUL 12 1556 39.81 37 46.89 121 56.22 10.45 23 .07 .2 .6 DAN 1.6 97 JUL 12 1640 9.49 37 35.79 118 54.36 5.84 16 .05 .3 .6 SIL 1.5 97 JUL 12 1926 37.40 36 0.96 120 34.23 5.38 10 .03 1.0 .6 SLA # 1.6 97 JUL 12 2017 44.63 37 38.43 118 53.97 8.47 9 .03 .6 1.0 SMO 1.1 97 JUL 12 2018 30.51 36 27.90 121 2.43 5.51 14 .05 .7 1.0 BIT 1.5 97 JUL 12 2331 9.45 35 51.97 118 4.91 13.00 12 .08 .6 .8 WWF 2.0 97 JUL 13 58 43.54 38 48.93 122 50.58 1.36 8 .07 .4 .9 GEY 1.3 97 JUL 13 151 14.51 38 47.71 122 48.35 4.38 14 .04 .3 .5 GEY 1.8 97 JUL 13 425 38.92 38 44.95 122 54.31 14.98 8 .40 3.5 7.9 ROG 1.2 97 JUL 13 619 56.80 37 38.61 118 55.90 6.18 7 .10 .9 1.2 SMO 1.1 97 JUL 13 626 15.42 37 39.07 118 54.99 7.98 11 .04 .5 .9 DOM 1.1 97 JUL 13 751 31.27 37 38.89 118 55.12 7.33 19 .06 .3 .5 SMO 1.4 97 JUL 13 835 28.52 37 38.96 118 52.51 5.44 11 .06 .5 .7 SMO 1.2 97 JUL 13 847 38.76 37 38.90 118 55.08 7.83 11 .04 .4 .8 SMO 1.3 --ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH N N RMS ERH ERZ DUR YR MON DA HRMN SEC DEG MIN DEG MIN KM RD S SEC KM KM REMKS MAG 97 JUL 13 853 6.40 37 38.90 118 55.17 7.00 20 .06 .3 .5 SMO 1.5 97 JUL 13 854 16.77 37 38.93 118 55.04 7.39 13 .04 .4 .8 SMO 1.2 97 JUL 13 908 20.96 38 49.43 122 47.65 3.70 8 .03 .4 .8 GEY 1.2 97 JUL 13 1129 49.46 37 40.24 118 54.53 7.25 11 .23 2.5 2.3 DOM 1.2 97 JUL 13 1130 4.00 37 39.58 118 55.65 7.56 12 .05 .7 .9 SMO 1.3 97 JUL 13 1237 27.98 38 49.68 122 48.18 3.43 7 .03 .4 .9 GEY 1.2 97 JUL 13 1342 6.66 38 47.84 122 45.19 0.42 10 .03 .3 .8 GEY 1.5 97 JUL 13 1432 22.88 37 39.22 118 56.18 7.62 10 .06 .7 .9 SMO 1.3 97 JUL 13 1436 14.28 37 39.78 118 56.36 1.28 13 .27 .7 .6 SMO 1.5 97 JUL 13 1449 25.48 37 37.61 118 55.18 12.68 15 .25 1.2 1.9 SMO 1.4 97 JUL 13 1722 15.22 37 39.54 118 55.80 6.72 7 .02 1.0 1.3 SMO 1.0 97 JUL 13 1804 13.62 36 34.35 121 5.63 12.60 8 .07 .8 .9 BVL 1.5 97 JUL 13 1919 36.64 37 37.72 118 58.21 0.01 12 .62 4.2 2.0 SMO # 1.8 97 JUL 13 2037 11.12 37 37.91 118 52.59 6.85 9 .02 .4 .9 SMO 1.0 97 JUL 13 2121 16.85 38 49.34 122 46.58 2.69 15 .04 .2 .6 GEY 1.8 97 JUL 13 2223 40.10 36 38.53 121 15.17 4.20 31 .06 .2 .7 STN 2.1 97 JUL 14 25 36.12 36 20.84 120 59.69 59.88 9 .2913.414.7 BIT - 3.1 97 JUL 14 118 48.66 36 37.71 121 15.41 0.04 12 .44 1.1 1.7 STN # 1.3 97 JUL 14 214 41.39 37 39.71 118 54.55 4.57 11 .02 .4 .5 DOM 1.3 97 JUL 14 223 38.92 38 49.12 122 48.38 4.41 10 .01 .3 .7 GEY 1.5 97 JUL 14 317 48.98 38 50.38 122 49.38 1.41 15 .03 .2 .7 GEY 1.8 97 JUL 14 517 26.27 37 36.35 121 42.78 5.79 8 .03 .4 .5 HAM 1.0 97 JUL 14 611 11.80 37 10.80 122 19.46 15.10 79 .12 .4 .5 ANN # 3.6 97 JUL 14 1209 10.03 38 47.49 122 45.46 1.74 10 .02 .3 .6 GEY 1.5 97 JUL 14 1403 51.46 37 39.46 118 55.36 7.98 13 .05 .5 .8 DOM 1.2 97 JUL 14 1518 24.71 40 35.70 122 17.26 0.02 7 .23 1.011.8 SHA # 2.2 97 JUL 14 1525 48.93 37 39.38 118 55.42 7.96 11 .04 .5 .8 SMO 1.0 97 JUL 14 1540 28.25 37 39.18 118 55.46 7.26 17 .07 .4 .6 SMO 1.4 97 JUL 14 1938 47.60 38 19.13 122 12.89 9.17 8 .08 .5 .8 GVL 2.1 97 JUL 14 2110 7.69 35 37.77 121 5.83 5.52 13 .07 .7 1.4 SSM 2.1 97 JUL 14 2220 27.56 36 26.76 121 20.03 2.68 9 .4220.023.0 SAL - 2.1 97 JUL 14 2226 42.32 38 49.53 122 46.74 0.04 30 .29 .4 1.4 GEY # 2.4 97 JUL 14 2300 50.90 37 30.74 118 33.02 11.31 28 .07 .3 .9 RVL 3.0 97 JUL 15 45 19.21 38 48.57 122 45.16 2.94 22 .06 .2 .6 GEY 2.1 97 JUL 15 52 47.74 37 23.88 118 36.50 6.31 7 .48 2.737.5 RVL - 2.0 97 JUL 15 237 42.30 36 1.23 120 33.95 5.17 9 .04 .6 .8 SLA 1.6 97 JUL 15 252 46.86 37 30.84 118 32.65 11.34 9 .02 .4 1.7 CHA 1.5 97 JUL 15 419 19.05 37 23.34 118 48.60 11.06 15 .04 .4 1.1 SIL 1.6 97 JUL 15 525 10.20 38 48.61 122 48.92 3.81 9 .02 .3 .7 GEY 1.1 97 JUL 15 601 34.35 37 39.05 118 52.53 5.31 12 .06 .4 .6 DOM 1.1 97 JUL 15 723 54.75 37 38.53 118 51.26 5.85 7 .02 .6 1.8 SMO 1.0 97 JUL 15 815 59.90 37 38.81 118 51.99 2.79 10 .26 1.0 2.3 SMO 1.0 97 JUL 15 822 10.81 37 38.36 118 51.61 4.48 13 .07 .4 .6 SMO 1.3 97 JUL 15 935 7.17 37 38.90 118 50.92 6.60 26 .07 .3 .5 HCF 2.0 97 JUL 15 1151 1.00 37 34.24 118 53.79 2.29 8 .05 .4 1.8 SIL 1.0 --ORIGIN TIME (UT)-- -LAT N-- --LON W-- DEPTH N N RMS ERH ERZ DUR YR MON DA HRMN SEC DEG MIN DEG MIN KM RD S SEC KM KM REMKS MAG 97 JUL 15 1255 20.46 36 36.53 121 8.22 8.41 48 .10 .2 .5 BVL 2.3 97 JUL 15 1257 1.44 37 3.74 121 30.40 6.22 14 .03 .4 .9 CYS 1.2 97 JUL 15 1304 58.35 37 39.48 118 50.98 4.94 8 .03 .8 .8 HCF 1.1 97 JUL 15 1315 34.53 36 35.86 121 2.71 9.33 30 .14 .3 .7 PAN 1.9 97 JUL 15 1542 30.36 37 48.60 118 50.92 21.46 8 .10 2.5 3.2 GLA 1.5 97 JUL 15 1551 19.22 37 38.82 118 50.78 7.08 17 .06 .4 .6 HCF 1.5 97 JUL 15 1553 39.59 37 39.85 118 51.81 4.04 9 .10 .6 1.1 DOM 1.3 97 JUL 15 1628 35.96 38 49.55 122 47.53 4.55 17 .04 .3 .5 GEY 1.8 97 JUL 15 1958 42.77 37 37.99 118 52.67 8.00 15 .03 .3 .7 SMO 1.2 97 JUL 15 2059 55.53 37 38.95 118 55.53 7.45 14 .05 .4 .7 SMO 1.2 97 JUL 15 2125 12.02 37 26.95 118 50.03 7.89 7 .02 1.4 1.2 MOR 1.1 97 JUL 15 2210 12.80 38 47.43 122 46.81 3.36 30 .06 .2 .5 GEY 2.3 97 JUL 15 2226 59.25 38 50.32 122 48.69 1.45 9 .05 .3 .8 GEY 1.4 97 JUL 15 2252 50.09 39 20.84 122 54.86 8.75 25 .07 .2 .9 BAR 2.2 97 JUL 16 107 35.70 36 38.74 121 13.45 7.09 7 .05 .5 1.6 STN 1.0 97 JUL 16 143 13.33 37 13.43 122 0.70 9.02 23 .08 .3 .6 BLM 1.7 97 JUL 16 537 36.93 38 49.34 122 48.53 3.70 7 .01 .5 .7 GEY 1.0 97 JUL 16 921 54.64 36 55.74 121 33.78 4.69 7 .10 .5 .9 SAR 1.0 97 JUL 16 948 14.66 37 38.08 118 52.05 8.62 9 .06 .8 1.4 SMO 1.0 97 JUL 16 1014 12.01 39 36.88 120 3.79 11.98 17 .18 1.5 1.6 WAK 2.8 97 JUL 16 1205 6.46 37 38.12 118 52.64 8.37 21 .06 .3 .6 SMO 1.9 97 JUL 16 1232 0.36 37 39.59 118 55.74 7.76 9 .03 1.1 1.5 SMO 1.0 97 JUL 16 1404 16.15 36 44.45 121 18.74 4.86 7 .67 3.644.3 PAI - 1.5 97 JUL 16 1639 58.57 39 23.26 119 51.22 0.28 22 .47 3.3 6.2 WAK # 2.8 97 JUL 16 1754 51.25 39 30.65 121 14.11 9.28 7 .06 .8 1.3 ORO 1.4 97 JUL 16 1910 26.78 36 38.56 121 37.83 59.41 8 .36 5.6 9.9 SAL 2.2 97 JUL 16 1939 32.73 40 22.99 125 5.20 6.11119 .20 .8 2.0 MEN 3.9 97 JUL 16 1955 45.41 40 23.39 125 4.52 3.08 68 .24 1.2 3.4 MEN 3.4 97 JUL 16 2243 47.24 37 32.91 118 26.46 7.67 11 .02 .3 .7 CHV 2.0 97 JUL 17 32 4.31 38 48.65 122 49.14 1.31 8 .04 .3 .6 GEY 1.3 97 JUL 17 243 30.27 38 48.70 122 48.93 3.95 14 .03 .2 .6 GEY 1.8 97 JUL 17 339 16.95 37 26.55 118 50.12 8.19 21 .03 .8 .6 MOR 1.8 97 JUL 17 447 18.23 37 38.43 119 1.76 4.09 7 .01 .6 1.0 MAM 1.3 97 JUL 17 1946 37.24 36 57.88 121 35.82 7.41 89 .15 .2 .5 SAR 4.1 97 JUL 17 1952 50.03 36 58.08 121 35.98 5.68 12 .07 .3 .5 SAR 1.4 TABLE 2. Data from National Earthquake Information Center (NEIC) UTC TIME LAT LONG DEP GS MAGS SD STA REGION AND COMMENTS HRMNSEC MB Msz USED ------------------------------------------------------------------------------- JUL 09 000005.2* 51.353N 178.474W 33N 4.5 1.1 30 ANDREANOF ISLANDS, ALEUTIAN IS. 011749.4* 27.862N 53.795E 33N 4.3 0.6 7 SOUTHERN IRAN. Felt in the Lar area. 020701.6? 11.93 S 166.64 E 100G 4.8 0.9 15 SANTA CRUZ ISLANDS 093606.7 35.407N 139.898E 63D 5.1 0.6 89 NEAR S. COAST OF HONSHU, JAPAN. Felt (III JMA) in Chiba, southern Ibaraki, eastern Kanagawa and northern Saitama Prefectures. Also felt (III JMA) in the Tokyo area. 144717.0 52.275N 31.595W 10G 5.1 1.0 87 NORTHERN MID-ATLANTIC RIDGE 173915.9* 28.343N 57.122E 33N 4.6 0.6 18 SOUTHERN IRAN 200614.4? 10.45 N 63.42 W 10G 5.3 0.9 43 NEAR COAST OF VENEZUELA. Felt. 203502.3? 43.42 N 10.89 E 5G 4.2 0.6 7 CENTRAL ITALY. ML 3.4 (VIE). JUL 10 013917.3% 32.015S 119.707E 33N 1.5 5 WESTERN AUSTRALIA 014259.1? 1.39 S 132.95 E 33N 4.3 0.8 5 IRIAN JAYA REGION, INDONESIA 034033.1 7.895N 126.467E 85* 5.3 1.0 44 MINDANAO, PHILIPPINE ISLANDS. 040137.9* 1.300S 133.393E 33N 5.0 4.7 1.4 25 IRIAN JAYA REGION, INDONESIA 063635.1* 26.947N 144.382E 33N 4.6 1.4 17 BONIN ISLANDS REGION 064927.9& 49.231N 127.881W 10 3.6 30 VANCOUVER ISLAND REGION. 081958.2* 21.749N 121.773E 33N 4.7 0.9 17 TAIWAN REGION 130626.2 29.904S 71.808W 33N 4.6 4.6 1.0 25 NEAR COAST OF CENTRAL CHILE. Felt (III) at Coquimbo. 131047.5* 10.679S 113.693E 33N 5.1 4.8 1.2 19 SOUTH OF JAWA, INDONESIA 135955.2? 29.51 N 94.64 E 33N 4.8 0.8 9 EASTERN XIZANG-INDIA BORDER REG. 145310.4* 11.284S 118.042E 33N 5.4 5.5 1.7 20 SOUTH OF SUMBAWA, INDONESIA 145548.2 22.876S 70.740W 33N 5.1 5.3 0.9 47 NEAR COAST OF NORTHERN CHILE. Felt (IV) at Mejillones; (III) at Maria Elena and Michilla. 155834.4% 33.360S 71.262W 50G 0.3 9 NEAR COAST-CENTRAL CHILE. MD 3.2 175710.9* 5.958S 148.605E 33N 5.0 4.5 0.7 15 NEW BRITAIN REGION, P.N.G. 184836.5 44.369N 129.725W 10G 4.6 3.7 1.2 56 OFF COAST OF OREGON 191045.3? 6.04 S 147.53 E 33N 3.7 0.9 8 EASTERN NEW GUINEA REG., P.N.G. 232424.0* 51.371N 179.026W 48* 4.5 1.2 26 ANDREANOF ISLANDS, ALEUTIAN IS. 234142.4 34.591S 54.649E 10G 5.2 1.0 30 SOUTHWEST INDIAN RIDGE JUL 11 012600.1 47.582N 122.538W 5G 1.5 7 WASHINGTON. MD 2.4 (GS). 012855.3& 47.594N 122.551W 10 41 WASHINGTON. . MD 3.6 (SEA). Felt on Bainbridge Island and in the Seattle area. 020349.1 44.254N 129.458W 10G 5.0 5.0 1.2 89 OFF COAST OF OREGON. Mw 5.4 022244.2 60.960N 150.053W 33N 2.8 1.0 15 KENAI PENINSULA, ALASKA. ML 3.6 (PMR). Felt (III) at Anchorage. 023241.9 18.856S 69.348W 105D 5.1 1.1 90 NORTHERN CHILE. Felt (IV) at Arica and (II) at Pisagua. 064022.2 34.460N 118.091W 10G 0.5 24 SOUTHERN CALIFORNIA. ML 3.0 065929.0 37.639N 118.886W 5G 0.9 10 CALIFORNIA-NEVADA BORDER. MD 3.0 095512.0 5.695S 110.823E 570D 5.4 0.5 31 JAVA SEA 100022.0* 5.781S 110.712E 571D 4.8 0.9 12 JAVA SEA 123552.6* 0.846N 126.117E 76* 5.1 1.4 13 NORTHERN MOLUCCA SEA 145448.7* 21.787N 94.856E 137D 5.3 0.8 32 MYANMAR 153235.2 44.784N 146.779E 33N 5.3 0.7 71 KURIL ISLANDS 203248.2* 42.019N 124.558W 10G 0.3 5 NEAR COAST OF OREGON. MD 2.7.Felt. JUL 12 111317.7 33.996N 116.110W 5G 1.4 27 SOUTHERN CALIFORNIA. ML 2.8 162410.5 21.057S 67.942W 123D 5.3 0.8 99 CHILE-BOLIVIA BORDER REGION. Felt (IV) at San Pedro de Atacama and (III) at Calama and Chuquicamata. 164616.6 34.162N 117.334W 10G 0.8 26 SOUTHERN CALIFORNIA. ML 2.9 180539.9 34.139N 117.343W 10G 0.7 33 SOUTHERN CALIFORNIA. ML 3.6 JUL 13 012923.0 34.150N 117.341W 10G 0.4 23 SOUTHERN CALIFORNIA. ML 2.9 043422.0 59.622N 152.866W 100G 3.6 1.0 12 SOUTHERN ALASKA 181020.7 23.345S 67.834W 125D 5.2 0.8 62 CHILE-ARGENTINA BORDER REGION. Felt (IV) at San Pedro de Atacama and (III) at Calama. JUL 14 014142.9* 59.834N 152.477W 100G 0.8 5 SOUTHERN ALASKA 025755.7* 45.782N 7.131E 5G 0.6 8 NORTHERN ITALY 042419.8 46.354N 13.104E 10G 1.1 22 AUSTRIA. ML 3.1 (VIE). 061109.7 37.100N 122.474W 15G 0.6 16 CENTRAL CALIFORNIA. Mw 3.5 145434.8 35.780N 117.622W 5G 0.8 23 CENTRAL CALIFORNIA. ML 3.3 154950.6 35.863N 1.221E 10G 4.7 0.9 35 NORTHERN ALGERIA. Felt in the Relizane area. 160935.6 43.346N 146.317E 33N 6.0 5.8 0.7 138 KURIL ISLANDS. Mw 6.1 Felt (IV) at Yuzhno-Kurilsk. 224218.6 60.909N 147.606W 33N 1.0 8 SOUTHERN ALASKA. Felt at Valdez 230050.0& 37.510N 118.550W 11 9 CALIFORNIA-NEVADA BORDER. MD 3.0. 234159.0& 59.540N 76.310W 5G 4.3 5 NORTHERN QUEBEC, CANADA. mbLb 4.5 JUL 15 110531.6 24.882N 122.450E 100D 5.8 1.0 90 TAIWAN REGION. Mw 5.6 Felt (III JMA) in eastern Hua-lien and I-lan, and (I JMA) at Taipei. Felt in much of Taiwan. 123246.9* 15.953S 72.703W 106* 4.6 1.0 32 SOUTHERN PERU 174359.8 8.799N 82.968W 33N 4.7 4.2 0.9 49 PANAMA-COSTA RICA BORDER REGION. Slight damage at David, Panama. JUL 17 120251 Q 42.4 N 111.2 W 5G 0.7 24 EASTERN IDAHO. ML 4.0 (GS). Note: Computer users can get faster access to the Weekly Seismicity Reports in any of three ways: 1. World-Wide-Web (WWW) access: http://quake.wr.usgs.gov 2. Anonymous FTP access: quake.wr.usgs.gov (in pub/www/QUAKES/WEEKREPS) 3. Email Access: (send email to michael@andreas.wr.usgs.gov) Notes for Table 1: Origin time in the list is in GMT, in the text and on maps it is in local time. N RD: is the number of readings used to locate the event. N S: is the number of S waves in N RD. RMS SEC: is the root mean squared residual misfit for the location is seconds, the lower the better, over 0.3 to 0.5 seconds is getting bad, but this is machine, not hand timed, data. ERH: is the estimated horizontal error in kilometers. ERZ: is the estimated vertical error in kilometers. N FM: is the number of readings used to compute the magnitude. REMKS: obtuse region codes that denote the velocity model used to locate the event. DUR MAG: is the magnitude as determined from the duration of the seismograms, not the amplitude. Sort of like going to echo canyon and measuring how loud your yell is by counting echos. FIG: denotes the figure/event number in the maps posted separately.