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Update time = Mon May 21 0:00:02 PDT 2012
Here are the earthquakes appearing on this map, most recent at top ...

 MAG    DATE    LOCAL-TIME  LAT     LON    DEPTH    LOCATION
        y/m/d     h:m:s     deg     deg     km

 1.2  2012/05/19 10:07:15 37.469N 118.810W  6.4   15 km (10 mi) SW  of Toms Place, CA
 1.1  2012/05/19 07:17:22 37.646N 118.939W  8.0    3 km ( 2 mi) E   of Mammoth Lakes, CA
 2.0  2012/05/19 04:10:38 37.549N 118.826W  6.8   13 km ( 8 mi) W   of Toms Place, CA
 0.8  2012/05/19 04:08:32 37.548N 118.826W  6.2   13 km ( 8 mi) W   of Toms Place, CA
 1.3  2012/05/18 21:24:27 37.468N 118.809W  5.5   15 km (10 mi) SW  of Toms Place, CA
 1.7  2012/05/18 18:44:14 37.475N 118.812W  6.7   15 km ( 9 mi) SW  of Toms Place, CA
 0.4  2012/05/18 17:46:50 37.647N 118.944W  7.6    2 km ( 2 mi) E   of Mammoth Lakes, CA
 0.4  2012/05/18 17:36:06 37.651N 118.948W  7.3    2 km ( 1 mi) E   of Mammoth Lakes, CA
 0.1  2012/05/18 17:34:36 37.651N 118.942W  9.0    3 km ( 2 mi) E   of Mammoth Lakes, CA
 0.7  2012/05/18 02:36:25 37.484N 118.843W  9.8   17 km (10 mi) WSW of Toms Place, CA
 0.4  2012/05/18 02:36:07 37.485N 118.843W  9.5   17 km (10 mi) WSW of Toms Place, CA
 1.2  2012/05/18 00:21:40 37.477N 118.835W  5.1   17 km (10 mi) SW  of Toms Place, CA
 1.2  2012/05/17 20:30:56 37.382N 118.799W 10.6   23 km (14 mi) SSW of Toms Place, CA
 2.2  2012/05/17 20:07:01 37.383N 118.797W 11.4   22 km (14 mi) SSW of Toms Place, CA
 0.6  2012/05/17 15:20:14 37.472N 118.842W  4.5   17 km (11 mi) SW  of Toms Place, CA
 0.6  2012/05/17 03:19:34 37.633N 118.877W  9.3    9 km ( 5 mi) E   of Mammoth Lakes, CA
 0.6  2012/05/16 22:23:33 37.538N 118.871W  7.1   15 km ( 9 mi) SE  of Mammoth Lakes, CA
 0.7  2012/05/16 22:23:21 37.540N 118.869W  7.2   15 km ( 9 mi) SE  of Mammoth Lakes, CA
 0.4  2012/05/16 13:18:52 37.531N 118.872W  6.6   16 km (10 mi) SE  of Mammoth Lakes, CA
 0.1  2012/05/16 05:34:35 37.569N 118.869W  3.4   13 km ( 8 mi) SE  of Mammoth Lakes, CA
 1.1  2012/05/16 05:22:27 37.480N 118.809W  9.6   15 km ( 9 mi) SW  of Toms Place, CA
 0.5  2012/05/16 03:51:50 37.514N 118.883W  8.2   17 km (10 mi) SSE of Mammoth Lakes, CA
 0.4  2012/05/15 22:12:45 37.538N 118.871W  6.9   15 km ( 9 mi) SE  of Mammoth Lakes, CA
 0.9  2012/05/15 18:04:15 37.533N 118.859W  8.4   16 km (10 mi) W   of Toms Place, CA
 0.6  2012/05/15 15:11:12 37.628N 118.821W  3.9   13 km ( 8 mi) E   of Mammoth Lakes, CA
 0.3  2012/05/15 14:34:02 37.599N 119.017W  5.4    7 km ( 4 mi) SW  of Mammoth Lakes, CA
 0.7  2012/05/15 11:55:55 37.530N 118.867W  9.1   16 km (10 mi) SE  of Mammoth Lakes, CA
 0.1  2012/05/15 10:12:02 37.576N 118.882W  5.4   11 km ( 7 mi) SE  of Mammoth Lakes, CA
 2.2  2012/05/15 07:32:50 37.542N 118.873W  7.3   15 km ( 9 mi) SE  of Mammoth Lakes, CA
 0.7  2012/05/15 06:12:28 37.381N 119.025W  5.7   30 km (19 mi) S   of Mammoth Lakes, CA
 1.5  2012/05/15 06:11:00 37.370N 119.032W 10.0   31 km (20 mi) S   of Mammoth Lakes, CA
 1.0  2012/05/15 06:02:08 37.389N 119.042W  8.0   29 km (18 mi) SSW of Mammoth Lakes, CA
 1.0  2012/05/15 06:01:17 37.386N 119.028W  6.0   30 km (18 mi) S   of Mammoth Lakes, CA
 1.7  2012/05/15 05:51:06 37.371N 119.032W 10.1   31 km (19 mi) S   of Mammoth Lakes, CA
 0.1  2012/05/15 00:49:11 37.604N 119.028W  5.5    7 km ( 4 mi) SW  of Mammoth Lakes, CA
 0.2  2012/05/15 00:39:27 37.605N 119.032W  5.5    7 km ( 4 mi) SW  of Mammoth Lakes, CA
 0.3  2012/05/14 22:36:33 37.647N 118.874W  3.0    9 km ( 5 mi) E   of Mammoth Lakes, CA
 0.8  2012/05/14 22:28:30 37.530N 118.919W  9.5   14 km ( 9 mi) SSE of Mammoth Lakes, CA
 0.4  2012/05/14 22:12:47 37.531N 118.920W  9.4   14 km ( 9 mi) SSE of Mammoth Lakes, CA
 1.6  2012/05/14 22:09:39 37.532N 118.921W  9.8   14 km ( 8 mi) SSE of Mammoth Lakes, CA
 1.2  2012/05/14 22:05:57 37.533N 118.919W 11.3   14 km ( 8 mi) SSE of Mammoth Lakes, CA
 0.5  2012/05/14 22:05:22 37.521N 118.829W  7.0   14 km ( 9 mi) WSW of Toms Place, CA
 0.4  2012/05/14 15:58:34 37.637N 118.919W  8.8    5 km ( 3 mi) ESE of Mammoth Lakes, CA
 0.4  2012/05/14 15:57:06 37.641N 118.917W  8.6    5 km ( 3 mi) E   of Mammoth Lakes, CA
 0.4  2012/05/14 15:55:47 37.635N 118.913W  7.6    5 km ( 3 mi) ESE of Mammoth Lakes, CA
 0.7  2012/05/14 13:35:37 37.545N 118.712W 10.2    3 km ( 2 mi) SW  of Toms Place, CA
 0.9  2012/05/14 09:14:52 37.377N 118.788W 13.7   23 km (14 mi) SSW of Toms Place, CA
 0.4  2012/05/14 05:52:33 37.687N 118.861W  0.9   11 km ( 7 mi) ENE of Mammoth Lakes, CA
 0.9  2012/05/14 02:57:25 37.663N 118.851W  5.8   11 km ( 7 mi) E   of Mammoth Lakes, CA
 0.5  2012/05/14 00:52:12 37.535N 118.920W  9.6   13 km ( 8 mi) SSE of Mammoth Lakes, CA

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Data Sources

Northern California - USGS = U.S. Geological Survey, Menlo Park
Northern California - UCB = University of California, Berkeley
Southern California - USGS = U.S. Geological Survey, Pasadena
Southern California - Caltech = California Institute of Technology
Southern California - UCSD = University of California, San Diego
Nevada - UNR = University of Nevada, Reno
US and World - USGS/NEIC = National Earthquake Information Center
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)