== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 2:33:44 AM (PDT) on Tuesday, May 7, 2013.
The magnitude 0.7 event occurred 4 km (3 miles) NW of Berkeley, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | |
0.7 - duration magnitude (Md) |
| Time | |
Tuesday, May 7, 2013 at 2:33:44 AM (PDT) Tuesday, May 7, 2013 at 9:33:44 (UTC) |
| Distance from | |
Berkeley, CA - 4 km (3 miles) NW (318 degrees) Richmond, CA - 6 km (3 miles) SE (137 degrees) Oakland, CA - 11 km (7 miles) NNW (344 degrees) San Francisco City Hall, CA - 17 km (11 miles) NE (36 degrees) |
| Coordinates | |
37 deg. 54.0 min. N (37.900N), 122 deg. 18.3 min. W (122.304W) |
| Depth | |
6.7 km (4.2 miles) |
| Quality | |
Good |
| Location Quality Parameters | |
Nst= 18, Nph= 18, Dmin=3 km, Rmss=0.11 sec, Erho=0.4 km, Erzz=0.8 km, Gp=172.8 degrees |
| Event ID# | |
nc71987121 |
| Additional Information | |
map || waveforms |
For more information, see http://quake.wr.usgs.gov/
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