Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:06:03 PM (PDT) on Tuesday, July 18, 2023.
The magnitude 0.9 event occurred 6 km (4 miles) ENE (65 degrees) of Brea, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Tuesday, July 18, 2023 at 10:06:03 PM (PDT) Wednesday, July 19, 2023 at 5:06:03 (UTC) |
| Distance from |
Brea, CA - 6 km (4 miles) ENE (65 degrees) Yorba Linda, CA - 6 km (4 miles) NNW (339 degrees) Rowland Heights, CA - 7 km (5 miles) ESE (122 degrees) Placentia, CA - 8 km (5 miles) NNE (22 degrees) Walnut, CA - 9 km (6 miles) SSE (163 degrees) |
| Coordinates | 33 deg. 56.5 min. N (33.941N), 117 deg. 50.2 min. W (117.837W) |
| Depth | 7.98 km (5.0 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=18, Nph=31, Dmin=3.4 km, Rmss=0.15 sec, Erho=0.29 km, Erzz=0.57 km, Gp=114 degrees |
| Event ID# | ci39616002 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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