Recent Earthquakes in California and Nevada
== 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 8:17:17 AM (PDT) on Wednesday, April 7, 2021.
The magnitude 2.5 event occurred 6 km (4 miles) S of Calistoga, CA.
The hypocentral depth is 9 km ( 6 miles).
|Magnitude||2.5 - local magnitude (Ml)|
|Time||Wednesday, April 7, 2021 at 8:17:17 AM (PDT)
Wednesday, April 7, 2021 at 15:17:17 (UTC)
Calistoga, CA - 6 km (4 miles) S (183 degrees)|
Saint Helena, CA - 10 km (6 miles) WNW (282 degrees)
Santa Rosa, CA - 13 km (8 miles) NE (52 degrees)
Kenwood, CA - 13 km (8 miles) NNW (345 degrees)
Angwin, CA - 13 km (8 miles) WSW (243 degrees)
|Coordinates||38 deg. 31.4 min. N (38.523N), 122 deg. 35.0 min. W (122.583W)|
|Depth||9.21 km (5.7 miles)|
|Location Quality Parameters||Nst=78, Nph=58, Dmin=7.5 km, Rmss=0.41 sec, Erho=1 km, Erzz=4.2 km, Gp=37 degrees|
|Additional Information|| Map
For more information, see https://earthquake.usgs.gov
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)