Earthquake OFFSHORE NORTHERN CALIFORNIA (4.0 ml) (2025-09-09 19:40:58 UTC)

1757446858

40.3467, -124.9198

2.00 KM

A 4.0 magnitude earthquake struck on OFFSHORE NORTHERN CALIFORNIA, at 2025-09-09 19:40:58 UTC. Reviewed by EMSC seismologists, this minor quake occurred at a magnitude type of ml and was felt in surrounding areas. Stay updated on earthquake activity in OFFSHORE NORTHERN CALIFORNIA

Recommendation
Strong Earthquake

Action

Moderate shaking can cause damage to weak structures.

Suggestion

Indoors: Drop, Cover, and Hold On. Stay away from windows and heavy furniture. Outdoors: Move to an open space. If in a car: Pull over and stop in a safe area.

Earthquake OFFSHORE NORTHERN CALIFORNIA (4.0 ml) (2025-09-09 19:40:58 UTC)

Magnitudo (ml)

4.0

Automatic
EMSC

Summary

Intensity: 0
Tsunami: 0
ID: emsc_20250909_0000359

Nearest Places

Bear Valley / 20.92 km
Gorda Escarpment / 21.04 km
Mendocino Canyon / 26.53 km
Blunts Reef Coast Guard Station / 36.84 km
Blunts Reef Lightship (historical) / 37.33 km

Comment

Latest Earthquake

0.5

14 km NW of Anza, CA
Time: 1757463918
Depth: 11.47 km
Source: USGS (Automatic)

3.2

Minahassa Peninsula, Sulawesi
Time: 1757463764
Depth: 193.33 km
Source: BMKG (Automatic)

3.2

MINAHASA, SULAWESI, INDONESIA
Time: 1757463764
Depth: 193.00 km
Source: EMSC (Automatic)

3.7

CATANDUANES, PHILIPPINES
Time: 1757463297
Depth: 10.00 km
Source: EMSC (Automatic)

3.1

7 km ENE of Calumet, Oklahoma
Time: 1757463153
Depth: 0.60 km
Source: USGS (Automatic)

Nearest Earthquake

4.0

54 km WNW of Petrolia, CA
Time: 1757446858
Depth: 1.96 km
Source: USGS (Automatic)

3.9

74 km WSW of Ferndale, California
Time: 1757446858
Depth: 9.00 km
Source: USGS (Automatic)

1.8

14 km NW of Petrolia, CA
Time: 1757439621
Depth: 15.77 km
Source: USGS (Automatic)

2.2

OFFSHORE NORTHERN CALIFORNIA
Time: 1757426583
Depth: 11.20 km
Source: EMSC (Automatic)

2.2

16 km W of Petrolia, CA
Time: 1757426583
Depth: 11.20 km
Source: USGS (Automatic)