== PRELIMINARY EARTHQUAKE REPORT ==
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 2:16:42 PM (PDT) on Sunday, May 5, 2013.
The magnitude 0.4 event occurred 13 km (8 miles) SE of Viola, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | |
0.4 - duration magnitude (Md) |
| Time | |
Sunday, May 5, 2013 at 2:16:42 PM (PDT) Sunday, May 5, 2013 at 21:16:42 (UTC) |
| Distance from | |
Viola, CA - 13 km (8 miles) SE (124 degrees) Chester, CA - 31 km (20 miles) WNW (301 degrees) Burney, CA - 49 km (30 miles) S (169 degrees) Redding, CA - 73 km (45 miles) ESE (102 degrees) |
| Coordinates | |
40 deg. 27.1 min. N (40.452N), 121 deg. 33.0 min. W (121.549W) |
| Depth | |
4.2 km (2.6 miles) |
| Quality | |
Good |
| Location Quality Parameters | |
Nst= 8, Nph= 8, Dmin=3 km, Rmss=0.07 sec, Erho=0.7 km, Erzz=0.6 km, Gp=111.6 degrees |
| Event ID# | |
nc71071544 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
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