== PRELIMINARY EARTHQUAKE REPORT ==
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 6:57:44 AM (PDT) on Monday, May 6, 2013.
The magnitude 2.5 event occurred 39 km (24 miles) W of Eureka, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | |
2.5 - duration magnitude (Md) |
| Time | |
Monday, May 6, 2013 at 6:57:44 AM (PDT) Monday, May 6, 2013 at 13:57:44 (UTC) |
| Distance from | |
Eureka, CA - 39 km (24 miles) W (274 degrees) Ferndale, CA - 41 km (26 miles) NW (312 degrees) Arcata, CA - 46 km (29 miles) W (264 degrees) McKinleyville, CA - 46 km (29 miles) WSW (253 degrees) |
| Coordinates | |
40 deg. 49.5 min. N (40.825N), 124 deg. 37.5 min. W (124.625W) |
| Depth | |
3.3 km (2.1 miles) |
| Quality | |
Poor |
| Location Quality Parameters | |
Nst= 26, Nph= 26, Dmin=81 km, Rmss=0.21 sec, Erho=3 km, Erzz=18.7 km, Gp=266.4 degrees |
| Event ID# | |
nc71986471 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
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