== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:41:06 AM (PDT) on Monday, May 6, 2013.
The magnitude 1.0 event occurred 2 km (1 miles) N of San Ramon, CA.
The hypocentral depth is 19 km (12 miles).
| Magnitude | |
1.0 - duration magnitude (Md) |
| Time | |
Monday, May 6, 2013 at 11:41:06 AM (PDT) Monday, May 6, 2013 at 18:41:06 (UTC) |
| Distance from | |
San Ramon, CA - 2 km (1 miles) N (357 degrees) Danville, CA - 3 km (2 miles) SE (143 degrees) Alamo, CA - 7 km (4 miles) SE (139 degrees) San Francisco City Hall, CA - 39 km (24 miles) E (86 degrees) |
| Coordinates | |
37 deg. 48.0 min. N (37.800N), 121 deg. 58.7 min. W (121.978W) |
| Depth | |
19.3 km (12.0 miles) |
| Quality | |
Good |
| Location Quality Parameters | |
Nst= 11, Nph= 11, Dmin=7 km, Rmss=0.05 sec, Erho=0.6 km, Erzz=0.7 km, Gp=133.2 degrees |
| Event ID# | |
nc71986656 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
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