Magnitude 3 Earthquake near Johannesburg, California

2 days agoJuly 17, 2025, 22:55:00 GMT+0

Key Details

Magnitude 3
Minor

Minor earthquakes are often felt but rarely cause damage

Depth

Shallow Earthquake (6.2km)

Earthquakes are classified by depth: shallow (0-70 km), intermediate (70-300 km), and deep (300-700 km). This event occurred at a shallow depth of 6.2 kilometers.

Coordinates35.3222°N, 117.8130°W
Depth6.2 km
Magnitude Typeml
USGS StatusAutomatically generated
Reports from the Public4 reports
Tsunami RiskNo significant tsunami risk flagged

Epicenter location of the Magnitude 3 earthquake, 17 km WSW of Johannesburg, CA

Event Summary

A magnitude 3.0 earthquake occurred near 17 km WSW of Johannesburg, CA on July 17, 2025 at 10:55 PM UTC. This shallow earthquake originated at a depth of 6.2 kilometers below the Earth's surface. 4 people reported feeling this earthquake to the USGS. The earthquake was recorded by 104 seismic monitoring stations operated by the USGS. The ml magnitude measurement indicates this was a local magnitude event, which is suitable for earthquakes of this size. Earthquakes of magnitude 3.0 to 3.9 are classified as minor earthquakes by the USGS. This event provides data for ongoing seismic monitoring and research.

🌍How Many Felt the Quake?

4 people reported feeling this earthquake, with felt intensities reaching barely felt (II) and estimated shaking up to unknown levels.

Did you feel the shaking? Your story matters—share it with the USGS to help map this quake's impact!

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Advanced Technical Details

RMS0.21
Gap23°
Number of Stations104
Typeearthquake

Nearby Cities

Safety Information

During an earthquake, remember to Drop, Cover, and Hold On. Stay indoors and take cover under a sturdy table or desk, protecting your head and neck. If you're outside, move to an open area away from buildings, trees, and power lines. After the shaking stops, check for injuries and damage, and be prepared for aftershocks. Residents in the affected area should be aware of potential secondary hazards that are common in your region. Prepare an emergency kit with essential supplies including water, non-perishable food, first aid supplies, flashlight, and batteries. Stay informed by following updates from local authorities and emergency services. Consider submitting a felt report to help seismologists better understand this event's impact.