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 8:22:04 AM (PDT) on Sunday, September 29, 2013.
The magnitude 2.3 event occurred 3 km (2 miles) WSW of Orinda, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 2.3 - duration magnitude (Md) | |
|---|---|---|
| Time | Sunday, September 29, 2013 at 8:22:04 AM (PDT) Sunday, September 29, 2013 at 15:22:04 (UTC) |
|
| Distance from | Orinda, CA - 3 km (2 miles) WSW (239 degrees) Berkeley, CA - 5 km (3 miles) ESE (103 degrees) Oakland, CA - 8 km (5 miles) NE (39 degrees) San Francisco City Hall, CA - 20 km (13 miles) ENE (62 degrees) |
|
| Coordinates | 37 deg. 51.6 min. N (37.861N), 122 deg. 12.7 min. W (122.212W) | |
| Depth | 7.5 km (4.7 miles) | |
| Quality | Good | |
| Location Quality Parameters | Nst=131, Nph=131, Dmin=3 km, Rmss=0.15 sec, Erho=0.1 km, Erzz=0.2 km, Gp=18 degrees | |
| Event ID | nc72078556 | |
| Additional Information | map || waveforms Waveforms NCSS First Motion Mechanism 1 | |
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