Magnitude 1.6 Earthquake near Signal Hill, California

Event Summary

A magnitude 1.6 earthquake occurred near 7 km SSW of Signal Hill, CA on April 25, 2026 at 03:23 AM UTC. This shallow earthquake originated at a depth of 10.3 kilometers below the Earth's surface. The earthquake was recorded by 23 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.

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.