Recent Earthquakes in California and Nevada
== 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 7:57:07 PM (PDT) on Saturday, April 3, 2021.
The magnitude 1.0 event occurred 1 km (0 miles) WNW of Chester, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Saturday, April 3, 2021 at 7:57:07 PM (PDT) Sunday, April 4, 2021 at 2:57:07 (UTC) |
| Distance from |
Chester, CA - 1 km (0 miles) WNW (295 degrees) Greenville, CA - 31 km (19 miles) NW (308 degrees) Quincy, CA - 48 km (30 miles) NNW (329 degrees) East Quincy, CA - 51 km (31 miles) NW (325 degrees) Susanville, CA - 52 km (32 miles) WSW (257 degrees) |
| Coordinates | 40 deg. 18.5 min. N (40.309N), 121 deg. 14.3 min. W (121.238W) |
| Depth | 11.35 km (7.1 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=6, Nph=7, Dmin=10.4 km, Rmss=0.03 sec, Erho=0.73 km, Erzz=1.17 km, Gp=139 degrees |
| Event ID# | nc73545390 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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