== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 2:56:16 AM (PDT) on Saturday, May 4, 2013.
The magnitude 1.3 event occurred 12 km (7 miles) WNW of Daly City, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | |
1.3 - duration magnitude (Md) |
| Time | |
Saturday, May 4, 2013 at 2:56:16 AM (PDT) Saturday, May 4, 2013 at 9:56:16 (UTC) |
| Distance from | |
Daly City, CA - 12 km (7 miles) WNW (299 degrees) San Francisco City Hall, CA - 14 km (9 miles) W (261 degrees) Tiburon, CA - 17 km (10 miles) SW (219 degrees) Mill Valley, CA - 17 km (11 miles) S (190 degrees) |
| Coordinates | |
37 deg. 45.4 min. N (37.756N), 122 deg. 34.6 min. W (122.576W) |
| Depth | |
7.1 km (4.4 miles) |
| Quality | |
Good |
| Location Quality Parameters | |
Nst= 45, Nph= 45, Dmin=6 km, Rmss=0.07 sec, Erho=0.2 km, Erzz=0.3 km, Gp=100.8 degrees |
| Event ID# | |
nc71985216 |
| Additional Information | |
map || waveforms |
|
Waveforms NCSS First Motion Mechanism 1 |
For more information, see http://quake.wr.usgs.gov/
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