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 1:44:23 AM (PDT) on Saturday, May 4, 2013.
The magnitude 1.2 event occurred 7 km (4 miles) SE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.2 - duration magnitude (Md) | |
|---|---|---|
| Time | Saturday, May 4, 2013 at 1:44:23 AM (PDT) Saturday, May 4, 2013 at 8:44:23 (UTC) |
|
| Distance from | The Geysers, CA - 7 km (4 miles) SE (127 degrees) Healdsburg, CA - 20 km (12 miles) NE (34 degrees) Lower Lake, CA - 20 km (13 miles) SW (214 degrees) Santa Rosa, CA - 36 km (22 miles) N (356 degrees) |
|
| Coordinates | 38 deg. 45.6 min. N (38.760N), 122 deg. 44.4 min. W (122.740W) | |
| Depth | 2.2 km (1.4 miles) | |
| Quality | Good | |
| Location Quality Parameters | Nst= 28, Nph= 28, Dmin=1 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.3 km, Gp=93.6 degrees | |
| Event ID | nc71071484 | |
| Additional Information | map || waveforms Waveforms | |
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