== 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 9:55:55 PM (PDT) on Tuesday, May 7, 2013.
The magnitude 0.5 event occurred 6 km (4 miles) SSW of Millbrae, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | |
0.5 - duration magnitude (Md) |
| Time | |
Tuesday, May 7, 2013 at 9:55:55 PM (PDT) Wednesday, May 8, 2013 at 4:55:55 (UTC) |
| Distance from | |
Millbrae, CA - 6 km (4 miles) SSW (208 degrees) Burlingame, CA - 6 km (4 miles) SW (232 degrees) El Granada, CA - 7 km (4 miles) NE (40 degrees) San Francisco City Hall, CA - 25 km (16 miles) S (180 degrees) |
| Coordinates | |
37 deg. 33.0 min. N (37.550N), 122 deg. 25.2 min. W (122.419W) |
| Depth | |
8.2 km (5.1 miles) |
| Quality | |
Excellent |
| Location Quality Parameters | |
Nst= 10, Nph= 10, Dmin=4 km, Rmss=0.06 sec, Erho=0.5 km, Erzz=1.1 km, Gp=75.6 degrees |
| Event ID# | |
nc71071549 |
| Additional Information | |
map || waveforms |
For more information, see http://quake.wr.usgs.gov/
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