== 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 4:30:00 PM (PDT) on Friday, May 3, 2013.
The magnitude 1.7 event occurred 14 km (8 miles) S of Alder Springs, CA.
The hypocentral depth is 0.3 km (0.2 miles).
| Magnitude | |
1.7 - duration magnitude (Md) |
| Time | |
Friday, May 3, 2013 at 4:30:00 PM (PDT) Friday, May 3, 2013 at 23:30:00 (UTC) |
| Distance from | |
Alder Springs, CA - 14 km (8 miles) S (183 degrees) Stony Gorge Reservoir, CA - 18 km (11 miles) WSW (251 degrees) Lake Pillsbury, CA - 24 km (15 miles) NE (55 degrees) Ukiah, CA - 59 km (36 miles) NE (44 degrees) |
| Coordinates | |
39 deg. 31.8 min. N (39.530N), 122 deg. 44.1 min. W (122.734W) |
| Depth | |
0.3 km (0.2 miles) |
| Quality | |
Good |
| Location Quality Parameters | |
Nst= 20, Nph= 20, Dmin=14 km, Rmss=0.14 sec, Erho=0.3 km, Erzz=1.3 km, Gp=50.4 degrees |
| Event ID# | |
nc71985021 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
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