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 #4: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A micro earthquake occurred at 1:10:08 PM (PDT) on Saturday, May 4, 2013.
The magnitude 2.2 event occurred 17 km (11 miles) WSW of Durham, CA.
The hypocentral depth is 15 km (10 miles).
| Magnitude | 2.2 - duration magnitude (Md) | |
|---|---|---|
| Time | Saturday, May 4, 2013 at 1:10:08 PM (PDT) Saturday, May 4, 2013 at 20:10:08 (UTC) |
|
| Distance from | Durham, CA - 17 km (11 miles) WSW (241 degrees) Willows, CA - 19 km (12 miles) ENE (75 degrees) Hamilton City, CA - 19 km (12 miles) S (170 degrees) Chico, CA - 21 km (13 miles) SW (214 degrees) |
|
| Coordinates | 39 deg. 34.3 min. N (39.571N), 121 deg. 58.5 min. W (121.975W) | |
| Depth | 15.3 km (9.5 miles) | |
| Quality | Fair | |
| Location Quality Parameters | Nst= 21, Nph= 21, Dmin=32 km, Rmss=0.15 sec, Erho=0.3 km, Erzz=0.9 km, Gp=64.8 degrees | |
| Event ID | nc71985391 | |
| Additional Information | map || waveforms Waveforms NCSS First Motion Mechanism 1 | |
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