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 #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:46:01 AM (PDT) on Monday, May 6, 2013.
The magnitude 1.1 event occurred 20 km (12 miles) WNW of Portola, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.1 - duration magnitude (Md) | |
|---|---|---|
| Time | Monday, May 6, 2013 at 11:46:01 AM (PDT) Monday, May 6, 2013 at 18:46:01 (UTC) |
|
| Distance from | Portola, CA - 20 km (12 miles) WNW (290 degrees) Quincy, CA - 23 km (15 miles) ESE (108 degrees) Greenville, CA - 37 km (23 miles) SE (143 degrees) Susanville, CA - 61 km (38 miles) S (183 degrees) |
|
| Coordinates | 39 deg. 52.3 min. N (39.871N), 120 deg. 41.2 min. W (120.686W) | |
| Depth | 5.1 km (3.2 miles) | |
| Quality | Poor | |
| Location Quality Parameters | Nst= 10, Nph= 10, Dmin=11 km, Rmss=0.04 sec, Erho=0.6 km, Erzz=31.6 km, Gp=230.4 degrees | |
| Event ID | nc71986661 | |
| Additional Information | map || waveforms Waveforms | |
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