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 #1: This report supersedes any earlier reports of this event.
This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 6:53:35 AM (PDT) on Monday, September 30, 2013.
The magnitude 1.9 event occurred 2 km (1 miles) WNW of Orinda, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.9 - duration magnitude (Md) | |
|---|---|---|
| Time | Monday, September 30, 2013 at 6:53:35 AM (PDT) Monday, September 30, 2013 at 13:53:35 (UTC) |
|
| Distance from | Orinda, CA - 2 km (1 miles) WNW (299 degrees) Berkeley, CA - 7 km (4 miles) ENE (76 degrees) Lafayette, CA - 7 km (4 miles) W (269 degrees) San Francisco City Hall, CA - 23 km (14 miles) ENE (57 degrees) |
|
| Coordinates | 37 deg. 53.1 min. N (37.886N), 122 deg. 11.9 min. W (122.199W) | |
| Depth | 8.8 km (5.5 miles) | |
| Quality | Excellent | |
| Location Quality Parameters | Nst= 40, Nph= 40, Dmin=2 km, Rmss=0.08 sec, Erho=0.2 km, Erzz=0.3 km, Gp=39.6 degrees | |
| Event ID | nc72079041 | |
| Additional Information | map || waveforms Waveforms NCSS First Motion Mechanism 1 | |
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