28 SEP 2007 (271)
ot = 13:38:58.45 +/- 0.94 MARIANA ISLANDS REGION
lat = 21.980 +/- 2.9
lon = 142.685 +/- 3.9 MAGNITUDE 7.4 (GS)
dep = 261.3 +/- 9.9
280 km (175 miles) NW of Farallon de Pajaros, N. Mariana Islands
340 km (210 miles) SSE of Iwo-jima, Volcano Islands, Japan
810 km (510 miles) NNW of SAIPAN, Northern Mariana Islands
960 km (600 miles) NNW of HAGATNA, Guam
nph = 99 of 103 se = 0.78 FE=215 A
error ellipse = (254.6, 81.0, 15.2; 99.9, 8.2, 5.6; 9.3, 3.8, 4.4)
mb = 6.8 ( 62) ML = 0.0 ( 0) mblg = 0.0 ( 0) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
GUMO ePn 13:41:00.29 0.9 8.6 166 GUMO
MAJO eP 13:42:16.31 -1.5 15.0 346 MAJO
TATO eP 13:43:09.23 0.9 19.7 283 TATO
KS15 eP 13:43:10.57 -1.4 20.0 324 KS15
ERM P 13:43:12.59 1.2 20.0 1 g:1.0+1 1.0 6.5X b:8.4+3 .90 7.2 ERM
INCN eP 13:43:17.77 -1.9 20.8 322 b:2.8+3 .80 6.8 INCN
YSS eP 13:43:57.68 -0.1 24.9 0 b:2.6+3 1.0 6.7 YSS
PMG eP 13:44:54.97 -1.4 31.5 172 PMG
PEA0BP 13:45:11.22 1.0 33.1 17 PEA0
PET eP 13:45:11.84 0.1 33.3 18 PET
KAPI eP 13:45:26.00 -0.5 35.0 223 KAPI
HNR P 13:45:28.38 -2.6 35.5 150 b:3.7+3 1.3 6.8 HNR
COEN P 13:45:32.84 0.2 35.7 179 b:1.4+3 .80 6.6 COEN
KAKA P 13:45:33.82 -0.5 35.9 197 b:3.4+3 .93 6.9 KAKA
MIDW P 13:45:40.44 0.6 36.6 72 b:3.1+3 1.1 6.7 MIDW
ULN eP 13:45:55.93 0.4 38.5 321 ULN
SMY eP 13:46:00.75 1.1 39.0 30 b:4.2+3 1.3 6.8 SMY
YAK eP 13:46:14.86 -1.2 41.0 351 YAK
AMKA eP 13:46:15.92 1.4 40.8 35 AMKA
CHTO P 13:46:17.74 1.0 41.0 274 b:4.3+3 1.4 6.6 CHTO
CTAO P 13:46:24.14 0.0 42.0 175 b:3.2+3 1.0 6.7 CTAO
TLY P 13:46:26.53 0.2 42.3 324 b:1.7+3 1.1 6.3 TLY
WRAB eP 13:46:28.38 0.3 42.4 192 WRAB
WB2 P 13:46:28.52 0.3 42.5 192 WB2
ADK eP 13:46:34.13 0.1 43.2 36 ADK
FUNA P 13:47:03.53 0.1 46.9 126 b:1.4+4 1.6 7.0 FUNA
BILL P 13:47:13.19 -0.3 48.3 12 b:1.7+3 1.0 6.3 BILL
AKUT P 13:47:13.59 -13.9X 50.2 37 AKUT
MBWA P 13:47:15.38 0.9 48.4 209 b:1.7+3 .73 6.5 MBWA
XMIS P 13:47:15.91 -0.3 48.6 232 b:7.6-3 1.0 1.0X XMIS
TIXI P 13:47:27.54 -0.9 50.3 354 b:1.1+3 .90 6.3 TIXI
ARMA P 13:47:47.17 -0.2 52.8 170 b:3.1+1 1.2 4.6X ARMA
SDPT P 13:47:50.99 -0.7 53.5 37 b:7.0+3 .96 7.1 SDPT
STKA P 13:47:52.25 -0.5 53.6 181 b:1.3+3 .68 6.5 STKA
ZAA0 P 13:47:53.62 0.1 53.7 322 ZAA0
FORT P 13:47:57.18 -0.9 54.3 196 b:4.5+2 .60 6.2 FORT
MK31 P 13:47:57.90 0.8 54.2 313 MK31
KIP P 13:48:02.17 0.3 54.8 79 b:2.2+3 .75 6.7 KIP
HON P 13:48:02.62 0.5 54.8 79 HON
OHAK P 13:48:12.75 -9.5X 57.8 35 b:1.6+3 .76 6.7 OHAK
COCO P 13:48:14.04 1.1 56.4 237 b:9.2+3 1.5 7.1 COCO
TTA P 13:48:14.84 -6.8X 57.7 28 b:4.3+3 1.5 6.8 TTA
HKL P 13:48:15.37 0.6 56.5 79 HKL
KURK P 13:48:16.96 0.3 57.0 317 b:6.0+3 .90 7.2 KURK
AFI P 13:48:18.52 -0.1 57.2 124 b:8.6+3 1.4 7.1 AFI
SVW2 e 13:48:20.19 0.5 57.4 31 SVW2
POHA P 13:48:21.15 0.4 57.4 80 b:6.2+3 1.3 7.0 POHA
KHU P 13:48:21.36 0.3 57.5 81 KHU
STCH P 13:48:24.28 0.5 57.9 80 STCH
KDAK e 13:48:26.15 0.7 58.2 35 b:1.2+3 .60 6.7 KDAK
IMA2 P 13:48:34.73 0.7 59.5 25 IMA2
SLKM e 13:48:35.36 -1.2 59.9 32 SLKM
NWAO P 13:48:36.91 0.7 59.8 205 b:9.5+2 .75 6.5 NWAO
PMR P 13:48:38.61 -2.5 60.5 31 b:3.8+3 1.2 6.9 PMR
COLA P 13:48:47.14 -1.0 61.6 27 b:6.9+2 .80 6.3 COLA
XMAS P 13:48:48.04 0.4 61.4 100 b:3.8+3 1.0 6.9 XMAS
PALK P 13:48:48.53 1.1 61.4 266 b:3.8+3 1.3 6.8 PALK
BRVK P 13:48:52.91 0.4 62.2 319 b:1.4+4 1.0 7.6 BRVK
RAO P 13:49:01.56 0.3 63.5 142 b:1.7+3 .58 7.0 RAO
TAU P 13:49:09.14 0.5 64.7 176 b:7.2+2 .95 6.4 TAU
KBL P 13:49:10.22 0.3 64.8 299 b:6.3+3 1.2 7.2 KBL
DAWY P 13:49:11.70 0.0 65.2 28 DAWY
HYT P 13:49:18.37 0.6 66.1 32 HYT
SKAG P 13:49:25.89 0.9 67.3 33 b:9.5+2 .68 6.6 SKAG
ARU P 13:49:34.17 0.0 68.8 324 b:4.6+3 .75 7.3 ARU
WRAK e 13:49:37.44 -0.8 69.4 36 b:1.4+3 1.0 6.7 WRAK
SNZO P 13:49:37.79 -1.7 69.6 155 b:2.2+3 .55 7.1 SNZO
DLBC P 13:49:43.42 0.7 70.1 34 DLBC
RAR P 13:49:46.76 0.5 70.7 123 b:1.3+3 .90 6.7 RAR
KBS P 13:50:14.09 -0.3 75.7 351 b:3.9+2 .65 6.3 KBS
PGC P 13:50:18.92 0.4 76.3 43 b:3.2+3 1.1 6.9 PGC
NLWA P 13:50:20.22 0.9 76.4 44 b:9.1+2 .63 6.7 NLWA
JCW P 13:50:25.28 0.5 77.4 43 JCW
KEBM P 13:50:25.95 0.5 77.5 49 KEBM
KCPM P 13:50:34.66 0.6 79.0 52 KCPM
KIPM P 13:50:34.84 0.5 79.1 52 KIPM
HAWA P 13:50:36.59 0.1 79.5 44 b:3.0+3 1.5 6.8 HAWA
OD2 P 13:50:37.06 -0.3 79.7 43 OD2
HOPS P 13:50:37.26 0.0 79.6 52 b:2.9+3 1.5 6.8 HOPS
NSHM P 13:50:39.92 0.0 80.2 53 NSHM
NEW P 13:50:40.92 -0.1 80.4 42 b:2.6+3 1.1 6.9 NEW
EDM P 13:50:42.15 -0.1 80.6 36 EDM
MOD P 13:50:42.22 -0.3 80.6 49 b:1.2+3 1.1 6.5 MOD
OHCM P 13:50:42.33 -0.4 80.7 51 OHCM
BMO P 13:50:47.15 -0.2 81.6 45 b:2.1+3 1.2 6.8 BMO
WVOR P 13:50:47.32 -0.2 81.6 48 b:1.5+3 1.1 6.7 WVOR
SAO P 13:50:47.49 -0.2 81.6 54 b:1.7+3 1.0 6.7 SAO
CMB P 13:50:49.26 -0.2 82.0 52 b:4.0+3 1.2 7.0 CMB
PAHR e 13:50:49.79 -0.4 82.1 50 b:1.3+3 1.0 6.6 PAHR
WALA P 13:50:49.80 0.1 82.0 40 b:6.6+3 1.6 7.1 WALA
MSO P 13:50:53.39 -1.0 82.9 42 b:9.1+2 1.3 6.3 MSO
PTRM P 13:50:54.42 -0.3 83.0 55 PTRM
CHMT P 13:50:55.53 -1.0 83.3 42 CHMT
BMN P 13:50:56.64 0.0 83.3 49 b:1.0+3 .98 6.6 BMN
HLID P 13:50:59.67 -0.2 84.0 45 b:1.6+3 1.2 6.7 HLID
BGU P 13:51:05.68 -4.4X 86.0 47 BGU
TPNV P 13:51:06.78 -0.3 85.4 52 b:1.9+3 .88 6.9 TPNV
HVU P 13:51:09.15 0.1 85.8 47 b:2.3+3 1.0 6.9 HVU
YMR e 13:51:09.43 0.8 85.7 43 b:2.3+3 .76 7.1 YMR
GCMT P 13:51:09.97 0.0 86.0 42 GCMT
REDW e 13:51:11.53 -0.4 86.4 44 b:3.0+3 1.4 6.9 REDW
AHID P 13:51:12.08 -0.3 86.5 45 b:1.2+3 1.1 6.7 AHID
NOQ P 13:51:13.45 -0.2 86.8 47 b:1.8+3 1.1 6.8 NOQ
Generated 2007 SEP 28 at 13:54 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
