SOUTHERN CALIFORNIA SEISMOGRAPHIC NETWORK A Cooperative Project of Caltech and the U.S. Geological Survey June 20, 1996 Weekly Earthquake Report for Southern California ------------------------------------------------ June 13 - 19, 1996 Prepared by: Debbie Wells, Seismological Laboratory (kate@bombay.gps.caltech.edu) Lucy Jones, U. S. Geological Survey California Institute of Technology For further information, please contact the authors or the Caltech Public Relations Office at 818-395-6326. For daily updates, call our Earthquake Information Hotline: 818-395-6977. -------------------------------- This week's Report covers the time period from midnight Thursday morning, June 13, Universal Time (ie. GMT), to midnight Wednesday night, June 19, Universal Time. In local time, the period of coverage is from 5 p.m., June 12, Pacific Daylight Time, to 5 p.m., June 19, Pacific Daylight Time. We detected and processed 305 earthquakes during the 7-day period covered. It was a very quiet week. The only quake that was felt was a M2.3 near Upland on Wednesday night. It was reported by people in LaVerne and Upland. There were no M3+ events this week. Table 1 lists the quakes this week that were M2.0 or larger in the central part of the coverage area. Times are local times; if you want Greenwich Mean Time, add 7 hrs to the Pacific Daylight Time or 8 hrs to the Pacific Standard Time listed. Table 1 ------- Date Time N Lat. W Long. Mag ------------------------------------------------------------- 6/12 9:32 pm 35 48.7 119 53.6 2.0 23 mi. ENE of Cholame 6/12 10:25 pm 34 9.8 117 43.2 2.3 4 mi. N of Claremont Colleges; FELT 6/13 3:30 am 35 17.9 118 33.9 2.6 13 mi. NNW of Tehachapi 6/13 9:19 am 33 28.5 116 27.4 2.5 13 mi. ESE of Anza 6/13 10:11 am 34 55.0 118 15.3 2.1 10 mi. SSW of Mojave 6/13 1:53 pm 32 46.1 115 27.2 2.5 5 mi. ESE of El Centro 6/13 3:12 pm 32 45.9 115 27.3 2.1 " 6/14 12:23 pm 32 3.0 114 42.5 2.7 45 mi. S of Yuma, Arizona 6/14 12:47 pm 34 9.5 116 25.1 2.0 3 mi. NNE of Yucca Valley 6/14 2:55 pm 34 21.3 118 42.0 2.0 5 mi. N of Simi Valley 6/14 9:34 pm 35 49.8 117 41.8 2.0 14 mi. N of Ridgecrest 6/15 4:47 pm 34 1.5 117 6.1 2.0 3 mi. W of Yucaipa 6/15 5:25 pm 36 4.5 117 54.5 2.3 3 mi. NE of Coso Junction 6/15 7:12 pm 35 44.4 117 37.6 2.0 8 mi. NNE of Ridgecrest 6/15 7:26 pm 34 28.2 116 28.9 2.1 24 mi. N of Yucca Valley 6/15 7:35 pm 35 44.5 117 37.8 2.3 8 mi. NNE of Ridgecrest 6/16 8:13 am 34 6.3 116 54.9 2.0 5 mi. W of Mt. San Gorgonio 6/16 10:03 am 34 24.5 116 28.4 2.1 20 mi. N of Yucca Valley 6/16 11:28 am 34 20.4 116 27.6 2.1 15 mi. N of Yucca Valley 6/16 11:44 am 36 4.9 117 54.3 2.4 3 mi. NE of Coso Junction 6/16 1:54 pm 34 24.5 116 28.5 2.3 20 mi. N of Yucca Valley 6/16 3:33 pm 34 35.0 116 36.2 2.1 21 mi. ENE of Lucerne Valley 6/16 3:39 pm 34 19.0 116 49.6 2.3 3 mi. NNE of Big Bear City 6/16 8:38 pm 35 1.7 118 59.3 2.0 3 mi. WNW of Wheeler Ridge 6/16 11:01 pm 34 19.8 118 29.1 2.5 4 mi. NNE of Granada Hills 6/17 8:47 am 33 58.8 116 38.0 2.1 5 mi. SSW of Morongo Valley 6/17 3:32 pm 34 1.6 117 6.1 2.0 3 mi. W of Yucaipa 6/17 4:13 pm 33 59.8 117 13.9 2.4 3 mi. SSE of Loma Linda 6/17 5:01 pm 32 49.1 115 42.4 2.3 9 mi. W of El Centro 6/18 12:51 am 35 47.7 117 39.1 2.0 11 mi. N of Ridgecrest 6/18 3:51 am 35 5.2 118 19.1 2.1 7 mi. ESE of Tehachapi 6/18 7:19 am 33 46.9 118 10.6 2.2 Under Long Beach 6/18 3: 1 pm 33 29.7 116 32.5 2.5 8 mi. ESE of Anza 6/18 3: 1 pm 33 25.4 118 9.1 2.4 11 mi. ENE of Avalon, Catalina Island 6/19 3:31 am 35 1.3 116 57.8 2.0 9 mi. NNE of Barstow 6/19 5:12 am 32 11.3 116 27.4 2.8 42 mi. SE of San Ysidro 6/19 7:36 am 35 19.0 118 0.2 2.1 13 mi. N of California City 6/19 4: 8 pm 34 7.4 116 23.5 2.2 3 mi. E of Yucca Valley -------------------------------------------------------------