Earthquake 4 km S of Anderson Springs, CA (1.1 md) (2025-10-21 04:30:47 UTC)

1761021047

38.7418, -122.6890

-0.15 KM

A 1.1 magnitude earthquake struck on 4 km S of Anderson Springs, CA, at 2025-10-21 04:30:47 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 4 km S of Anderson Springs, 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 4 km S of Anderson Springs, CA (1.1 md) (2025-10-21 04:30:47 UTC)

Magnitudo (md)

1.1

Automatic
USGS

Summary

Intensity: 0
Tsunami: 0
ID: usgs_nc75252186

Nearest Places

Wall Street Mine / 0.07 km
Buck Rock / 0.42 km
Jewess Mine / 0.69 km
Appletree Creek / 0.79 km
Turner Flat / 0.89 km

Comment

Latest Earthquake

3.2

OFFSHORE EL SALVADOR
Time: 1761030869
Depth: 54.70 km
Source: EMSC (Automatic)

4.2

SUMBA REGION, INDONESIA
Time: 1761030635
Depth: 36.00 km
Source: EMSC (Automatic)

4.2

Sumba Region, Indonesia
Time: 1761030635
Depth: 34.50 km
Source: BMKG (Automatic)

2.2

WESTERN TURKEY
Time: 1761030183
Depth: 9.00 km
Source: EMSC (Automatic)

2.6

MENDOZA, ARGENTINA
Time: 1761029919
Depth: 138.10 km
Source: EMSC (Automatic)

Nearest Earthquake

0.3

10 km NW of The Geysers, CA
Time: 1761021396
Depth: 1.89 km
Source: USGS (Automatic)

1.1

10 km WNW of The Geysers, CA
Time: 1761020504
Depth: 2.37 km
Source: USGS (Automatic)

0.7

7 km NW of The Geysers, CA
Time: 1761018597
Depth: 2.36 km
Source: USGS (Automatic)

0.7

7 km WNW of Cobb, CA
Time: 1761012803
Depth: 1.68 km
Source: USGS (Automatic)

1.2

7 km WNW of Cobb, CA
Time: 1761012574
Depth: 2.09 km
Source: USGS (Automatic)