SEXX03 KNEC 181430 EQRQED U.S. DEPARTMENT OF THE INTERIOR NO. 0-077 GEOLOGICAL SURVEY MAR 18, 2010 NEIC QUICK EPICENTER DETERMINATIONS UTC TIME LAT LONG DEP GS MAGS SD STA REGION--COMMENTS HRMNSEC MB Msz USED MAR 11 004503.3 35.548S 72.981W 39 4.9 1.3 75 OFFSHORE MAULE, CHILE 041201.0s 51.453N 177.541E 58 4.5 0.8 17 RAT ISL, ALEUTIAN ISL, ALASKA 062031.2 19.744N 71.585W 10G 4.1 1.0 19 DOMINICAN REPUBLIC. Felt (III) at Santiago. Also felt at Baitoa, Jarabacoa, Licey al Medio, Monte Cristi and Sabaneta. 062218.3 57.262S 27.903W 306D 5.7 0.7 191 SOUTH SANDWICH ISLANDS REGION. MW 5.5 (GS). Moment Tensor (GS): Dep 285 km; Principal axes (scale 10**17 Nm): (T) Val=2.52, Plg=68, Azm=317; (N) Val=0.14, Plg=9, Azm=202; (P) Val=-2.66, Plg=19, Azm=109; Best double couple: Mo=2.6*10**17 Nm; NP1: Strike=27, Dip=65, Slip=100; NP2: Strike=184, Dip=27, Slip=69. 065720.5 12.201N 86.849W 140 4.6 0.7 39 NICARAGUA 105141.3 34.205S 71.697W 52 5.0 0.7 110 LIBERTADOR O'HIGGINS, CHILE 114805.8 51.484N 173.578W 48* 4.6 0.7 21 ANDREANOF ISL, ALEUTIAN IS., ALASKA 123126.6 15.349S 173.303W 33 5.1 0.6 119 TONGA 124406.0s 38.286S 71.825W 47 5.1 1.1 58 ARAUCANIA, CHILE 143944.1 34.259S 71.929W 11G 0.9 284 LIBERTADOR O'HIGGINS, CHILE. MW 6.9 (UCMT), 6.8 (GS), 6.8 (WCMT), 6.9 (GS). ME 7.1 (GS). Damage reported at Rancagua. A small tsunami was recorded with wave heights (peak-to-peak) of 16 cm at Valparaiso and 29 cm at San Antonio. Broadband Source Parameters (GS): Dep 11 km; Radiated energy 9.5*10**14 Nm. Complex earthquake. A small event followed by a larger one about 4 seconds later. Depth based on second event. Centroid, Moment Tensor (UCMT): Centroid origin time 14:40:06.1; Lat 34.15 S; Lon 71.37 W; Dep 10.0 km; Principal axes (scale 10**19 Nm): (T) Val=2.33, Plg=10, Azm=228; (N) Val=0.22, Plg=15, Azm=135; (P) Val=-2.55, Plg=71, Azm=352; Best double couple: Mo=2.4*10**19 Nm; NP1: Strike=337, Dip=37, Slip=-63; NP2: Strike=126, Dip=57, Slip=-107. Centroid, Moment Tensor (WCMT): Centroid origin time 14:39:48.0; Lat 34.29 S; Lon 71.95 W; Dep 35.0 km; Principal axes (scale 10**18 Nm): (T) Val=1.98, Plg=17, Azm=234; (N) Val=0.18, Plg=1, Azm=324; (P) Val=-2.17, Plg=72, Azm=59; Best double couple: Mo=2.1*10**19 Nm; NP1: Strike=321, Dip=27, Slip=-92; NP2: Strike=145, Dip=62, Slip=-87. Moment Tensor (GS): Dep 35 km; Principal axes (scale 10**19 Nm): (T) Val=1.89, Plg=3, Azm=215; (N) Val=-0.71, Plg=16, Azm=124; (P) Val=-1.19, Plg=73, Azm=317; Best double couple: Mo=1.7*10**19 Nm; NP1: Strike=111, Dip=51, Slip=-111; NP2: Strike=322, Dip=44, Slip=-67. Scalar Moment (PPT): Mo=4.3*10**19 Nm. 145527.9 34.282S 71.837W 18G 1.2 307 LIBERTADOR O'HIGGINS, CHILE. MW 6.7 (WCMT), 6.7 (GS). Broadband Source Parameters (GS): Dep 18 km. Centroid, Moment Tensor (WCMT): Centroid origin time 14:55:30.0; Lat 34.29 S; Lon 71.66 W; Dep 44.0 km; Principal axes (scale 10**18 Nm): (T) Val=1.10, Plg=23, Azm=273; (N) Val=0.28, Plg=18, Azm=174; (P) Val=-1.38, Plg=58, Azm=50; Best double couple: Mo=1.2*10**19 Nm; NP1: Strike=36, Dip=27, Slip=-43; NP2: Strike=168, Dip=71, Slip=-109. 150601.9 34.408S 71.907W 29 6.0 1.0 246 LIBERTADOR O'HIGGINS, CHILE 152615.6 34.172S 71.811W 20* 5.3 1.0 82 LIBERTADOR O'HIGGINS, CHILE 153449.6 34.355S 71.736W 25 5.0 0.9 68 LIBERTADOR O'HIGGINS, CHILE 155436.7 34.345S 71.875W 23* 5.0 0.9 53 LIBERTADOR O'HIGGINS, CHILE 162352.4 34.372S 71.760W 32* 5.0 0.9 63 LIBERTADOR O'HIGGINS, CHILE 165633.3 34.407S 71.852W 36 5.3 1.0 71 LIBERTADOR O'HIGGINS, CHILE 165942.4s 34.483S 71.791W 35G 4.8 1.1 30 LIBERTADOR O'HIGGINS, CHILE 171850.7 34.256S 71.845W 23* 5.1 0.9 44 LIBERTADOR O'HIGGINS, CHILE 192807.6 34.307S 71.772W 25 5.5 0.7 175 LIBERTADOR O'HIGGINS, CHILE 201120.1 34.327S 71.680W 2* 5.8 0.7 99 LIBERTADOR O'HIGGINS, CHILE 210909.0 7.498S 128.215E 174 5.0 1.0 57 KEPULAUAN BARAT DAYA, INDONESIA 215007.6 34.324S 71.711W 33 4.9 1.1 78 LIBERTADOR O'HIGGINS, CHILE 223406.8 37.612S 73.376W 37 5.5 0.9 104 BIO-BIO, CHILE 231811.2s 37.620S 73.531W 35G 4.9 1.4 23 BIO-BIO, CHILE 232024.1s 23.784S 175.865W 74* 5.1 0.9 48 TONGA REGION 235729.8 35.465N 98.106W 5 1.4 23 OKLAHOMA. mbLg 3.4 (GS). mbLg 3.4 (GS). golden co usa 2010 MAR 18 10:52WWWW