Recent Earthquakes
Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:48:53 AM (PDT) on Tuesday, May 7, 2013.
The magnitude 1.5 event occurred 4 km (3 miles) WSW of Danville, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.5 - duration magnitude (Md) | |
|---|---|---|
| Time | Tuesday, May 7, 2013 at 11:48:53 AM (PDT) Tuesday, May 7, 2013 at 18:48:53 (UTC) |
|
| Distance from | Danville, CA - 4 km (3 miles) WSW (244 degrees) Alamo, CA - 5 km (3 miles) S (190 degrees) San Ramon, CA - 6 km (4 miles) WNW (296 degrees) San Francisco City Hall, CA - 33 km (21 miles) E (84 degrees) |
|
| Coordinates | 37 deg. 48.3 min. N (37.805N), 122 deg. 2.5 min. W (122.042W) | |
| Depth | 8.8 km (5.5 miles) | |
| Quality | Excellent | |
| Location Quality Parameters | Nst= 64, Nph= 64, Dmin=2 km, Rmss=0.1 sec, Erho=0.2 km, Erzz=0.3 km, Gp=43.2 degrees | |
| Event ID | nc71987361 | |
| Additional Information | map || waveforms Waveforms NCSS First Motion Mechanism 1 | |
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