SEXX03 KNEC 251730
EQRQED

U.S. DEPARTMENT OF THE INTERIOR                          NO. 4-269
GEOLOGICAL SURVEY                                     SEP 25, 2004
NEIC QUICK EPICENTER DETERMINATIONS

UTC TIME    LAT     LONG    DEP GS MAGS  SD STA  REGION--COMMENTS
HRMNSEC                         MB  Msz     USED

SEP 18
014212.3f 32.200S  71.400W  60               11 VALPARAISO, CHILE.
        <GUC>. MD 3.0 (GUC).
025236.1s 24.241N 122.726E  68D 4.4     1.3  19 TAIWAN REGION
040835.0p 23.18 S 179.90 W 600G 3.7     1.1   9 SOUTH OF FIJI ISL
070710.5  38.005N 118.622W   5G         0.8  17 CENTRAL
        CALIFORNIA. ML 3.6 (GS).
070748.1  23.081N  67.596W  10G 5.7 5.2 0.8 224 NORTH ATLANTIC
        OCEAN. MW 5.7 (GS), 5.6 (HRV). Moment Tensor (GS): Dep 5
        km; Principal axes (scale 10**17 Nm): (T) Val=3.82,
        Plg=72, Azm=89; (N) Val=0.75, Plg=10, Azm=326; (P)
        Val=-4.57, Plg=15, Azm=233; Best double couple:
        Mo=4.2*10**17 Nm; NP1: Strike=309, Dip=32, Slip=71; NP2:
        Strike=152, Dip=60, Slip=101. Centroid, Moment Tensor
        (HRV): Centroid origin time 07:07:52.2; Lat 23.20 N; Lon
        67.58 W; Dep 12.0 km Fix; Half-duration 1.6 sec; Principal
        axes (scale 10**17 Nm): (T) Val=2.72, Plg=63, Azm=132; (N)
        Val=0.02, Plg=27, Azm=325; (P) Val=-2.74, Plg=5, Azm=232;
        Best double couple: Mo=2.7*10**17 Nm; NP1: Strike=296,
        Dip=46, Slip=51; NP2: Strike=165, Dip=56, Slip=123.
070800.0f 37.990N 118.692W   2               49 CEN CALIF. <NC>.
                                               ML 4.1 (NC).
123920.0f 37.993N 118.719W   0               29 CEN CALIF. <NC>.
                                               ML 3.6 (NC).
125216.7  42.771N   1.489W   2  4.8     0.9  71 PYRENEES
141317.1s 15.524N 146.252E  62D 4.7     1.3  32 SAIPAN REG, N
                                               MARIANA ISL
192014.3f 35.250S 178.880E 208  4.5          56 OFF E CST N ISL,
                                               NZ <WEL>.
203922.8s 43.991N 151.374E  40A 4.5     1.5  18 EAST OF KURIL ISL
204646.1s 40.859N 142.929E  54  4.9     1.3  20 NEAR THE EAST
        COAST OF HONSHU, JAPAN. Recorded (1 JMA) in Aomori, Iwate
        and Miyagi Prefectures.
211707.6s 24.247S 179.735W 473? 4.7     1.1  22 SOUTH OF FIJI ISL
220937.0  48.258N 154.430E  37  5.0 4.9 0.8  84 KURIL ISLANDS
230217.0f 38.009N 118.679W   8  5.2 4.9     128 CENTRAL
        CALIFORNIA. <NC>. MW 5.4 (HRV), 5.5 (BRK). Felt (IV) at
        Benton, Coleville, June Lake and Lee Vining; (III) at
        Bishop and Mammoth Lakes. Also felt (III) at Hawthorne,
        Nevada. Felt at Las Vegas and Reno, Nevada. Centroid,
        Moment Tensor (HRV): Centroid origin time 23:02:22.5; Lat
        38.06 N; Lon 118.64 W; Dep 12.0 km Fix; Half-duration 1.2
        sec; Principal axes (scale 10**17 Nm): (T) Val=1.63,
        Plg=5, Azm=285; (N) Val=-0.19, Plg=79, Azm=43; (P)
        Val=-1.44, Plg=10, Azm=194; Best double couple:
        Mo=1.5*10**17 Nm; NP1: Strike=330, Dip=79, Slip=-177; NP2:
        Strike=240, Dip=87, Slip=-11. Moment Tensor (BRK): Dep 8
        km; Principal axes (scale 10**17 Nm): (T) Val=1.67,
        Plg=15, Azm=287; (N) Val=0.00, Plg=67, Azm=57; (P)
        Val=-1.67, Plg=17, Azm=192; Best double couple:
        Mo=1.7*10**17 Nm; NP1: Strike=239, Dip=89, Slip=-23; NP2:
        Strike=329, Dip=67, Slip=-179.
232537.9  43.477N 128.340W  15A 3.9     0.8  92 OFF COAST OREGON
233609.0f 38.005N 118.689W   5               29 CEN CALIF. <NC>.
                                               ML 3.3 (NC).
234341.0f 38.019N 118.662W  11  5.2 4.8     134 CENTRAL
        CALIFORNIA. <NC>. MW 5.4 (HRV), 5.4 (BRK). Felt (III) at
        Bishop, June Lake and Mammoth Lakes. Also felt (III) at
        Hawthorne, Nevada. Centroid, Moment Tensor (HRV): Centroid
        origin time 23:43:46.7; Lat 38.08 N; Lon 118.64 W; Dep
        12.0 km Fix; Half-duration 1.2 sec; Principal axes (scale
        10**17 Nm): (T) Val=1.53, Plg=8, Azm=276; (N) Val=-0.30,
        Plg=80, Azm=132; (P) Val=-1.23, Plg=6, Azm=7; Best double
        couple: Mo=1.4*10**17 Nm; NP1: Strike=52, Dip=81, Slip=2;
        NP2: Strike=322, Dip=88, Slip=171. Moment Tensor (BRK):
        Dep 5 km; Principal axes (scale 10**17 Nm): (T) Val=1.27,
        Plg=8, Azm=279; (N) Val=0.00, Plg=80, Azm=64; (P)
        Val=-1.27, Plg=6, Azm=188; Best double couple:
        Mo=1.3*10**17 Nm; NP1: Strike=53, Dip=88, Slip=10; NP2:
        Strike=323, Dip=80, Slip=178.
234758.0f 38.024N 118.649W   4                9 CEN CALIF. <NC>.
                                               ML 4.1 (NC).
golden co usa 2004 SEP 25 11:21