Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 2:26:50 AM (PDT) on Tuesday, July 28, 2026.
The magnitude 1.0 event occurred 0 km (0 miles) NNE (28 degrees) of East Richmond Heights, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Tuesday, July 28, 2026 at 2:26:50 AM (PDT) Tuesday, July 28, 2026 at 9:26:50 (UTC) |
| Distance from |
East Richmond Heights, CA - 0 km (0 miles) NNE (28 degrees) Richmond, CA - 3 km (2 miles) ENE (68 degrees) San Pablo, CA - 3 km (2 miles) ESE (119 degrees) Rollingwood, CA - 3 km (2 miles) SE (141 degrees) El Cerrito, CA - 4 km (2 miles) N (360 degrees) |
| Coordinates | 37 deg. 56.8 min. N (37.947N), 122 deg. 18.7 min. W (122.312W) |
| Depth | 5.64 km (3.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=5.8 km, Rmss=0.07 sec, Erho=0.32 km, Erzz=0.920000017 km, Gp=76 degrees |
| Event ID# | nc75407182 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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