Earthquake 3 km of Piedmont, CA (1.0 md) (2025-09-23 16:57:10 UTC)

1758646630

37.8545, -122.2403

6.97 KM

A 1.0 magnitude earthquake struck on 3 km of Piedmont, CA, at 2025-09-23 16:57:10 UTC. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of md and was felt in surrounding areas. Stay updated on earthquake activity in 3 km of Piedmont, CA

Recommendation
Minor Earthquake

Action

No need for significant action. These tremors are typically imperceptible or barely felt.

Suggestion

Remain calm and observe. These are often harmless and not a cause for concern.

Earthquake 3 km of Piedmont, CA (1.0 md) (2025-09-23 16:57:10 UTC)

Magnitudo (md)

1.0

Automatic
USGS

Summary

Intensity: 0
Tsunami: 0
ID: usgs_nc75240982

Nearest Places

Comment

Latest Earthquake

Tanimbar Islands Region, Indonesia
Time: 1758653440
Depth: 99.86 km
Source: BMKG (Automatic)

3 km SE of The Geysers, CA
Time: 1758653436
Depth: 1.56 km
Source: USGS (Automatic)

ANTOFAGASTA, CHILE
Time: 1758653361
Depth: 52.00 km
Source: EMSC (Automatic)

4 km ESE of Palomar Observatory, CA
Time: 1758652985
Depth: 4.77 km
Source: USGS (Automatic)

DRAKE PASSAGE
Time: 1758651934
Depth: 10.00 km
Source: EMSC (Automatic)

Nearest Earthquake

3 km SE of Berkeley, CA
Time: 1758646642
Depth: 7.06 km
Source: USGS (Automatic)

3 km SE of Berkeley, CA
Time: 1758644857
Depth: 7.21 km
Source: USGS (Automatic)

3 km SE of Berkeley, CA
Time: 1758643273
Depth: 7.15 km
Source: USGS (Automatic)

2 km SE of Hayward, CA
Time: 1758636883
Depth: 2.26 km
Source: USGS (Automatic)

3 km SE of Berkeley, CA
Time: 1758626455
Depth: 7.36 km
Source: USGS (Automatic)