== PRELIMINARY EARTHQUAKE REPORT ==
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 5:02:15 PM (PDT) on Wednesday, May 1, 2013.
The magnitude 1.9 event occurred 4 km (3 miles) N (8 degrees) of Punta Gorda, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | |
1.9 - duration magnitude (Md) |
| Time | |
Wednesday, May 1, 2013 at 5:02:15 PM (PDT) Thursday, May 2, 2013 at 0:02:15 (UTC) |
| Distance from | |
Punta Gorda, CA - 4 km (3 miles) N (8 degrees) Petrolia, CA - 7 km (4 miles) WSW (245 degrees) Rio Dell, CA - 31 km (19 miles) SW (224 degrees) Eureka, CA - 58 km (36 miles) SSW (196 degrees) |
| Coordinates | |
40 deg. 18.0 min. N (40.300N), 124 deg. 21.3 min. W (124.355W) |
| Depth | |
7.9 km (4.9 miles) |
| Quality | |
Fair |
| Location Quality Parameters | |
Nst= 26, Nph= 26, Dmin=6 km, Rmss=0.19 sec, Erho=0.7 km, Erzz=0.4 km, Gp=230.4 degrees |
| Event ID# | |
nc71980420 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
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