Earthquake 11 km of Redwood Valley, CA (1.6 md) (2025-08-21 05:43:49 UTC)

1755755029

39.3572, -123.2435

2.50 KM

A 1.6 magnitude earthquake struck on 11 km of Redwood Valley, CA, at 2025-08-21 05:43:49 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 11 km of Redwood Valley, 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 11 km of Redwood Valley, CA (1.6 md) (2025-08-21 05:43:49 UTC)

Magnitudo (md)

1.6

Automatic
USGS

Summary

Intensity: 0
Tsunami: 0
ID: usgs_nc75226607

Nearest Places

Dead Horse Canyon / 2.36 km
Hopper Flat / 3.04 km
Corral Creek / 3.05 km
Mariposa Ranch / 3.07 km
Fisher Creek / 3.82 km

Comment

Latest Earthquake

3.5

Mindanao, Philippines
Time: 1755764281
Depth: 127.35 km
Source: BMKG (Automatic)

3.0

MINDANAO, PHILIPPINES
Time: 1755764280
Depth: 113.00 km
Source: EMSC (Automatic)

1.1

WESTERN TURKEY
Time: 1755763941
Depth: 7.00 km
Source: EMSC (Automatic)

0.3

2 km ENE of Anza, CA
Time: 1755763916
Depth: 10.00 km
Source: USGS (Automatic)

3.5

SOUTHWESTERN KASHMIR
Time: 1755763893
Depth: 5.00 km
Source: EMSC (Automatic)

Nearest Earthquake

1.0

9 km WNW of Cobb, CA
Time: 1755758031
Depth: 1.90 km
Source: USGS (Automatic)

2.1

NORTHERN CALIFORNIA
Time: 1755758002
Depth: 1.90 km
Source: EMSC (Automatic)

2.1

9 km WNW of Cobb, CA
Time: 1755758002
Depth: 1.94 km
Source: USGS (Automatic)

0.7

7 km WNW of Cobb, CA
Time: 1755754457
Depth: 1.82 km
Source: USGS (Automatic)

1.4

2 km NW of The Geysers, CA
Time: 1755748159
Depth: 1.84 km
Source: USGS (Automatic)