M2.9 Earthquake near Union City, California

Event Summary

This minor earthquake near 1 km E of Union City, CA is unlikely to cause significant damage but may be felt by people in close proximity to the epicenter. The M2.9 event occurred at a shallow depth of 9.8 kilometers, affecting how seismic energy is distributed and influencing ground motion effects. Some residents reported feeling the ground shaking. While this event poses minimal risk, it's an opportunity for residents to review their earthquake preparedness measures. Regular seismic activity in the region highlights the importance of being prepared for larger events. The earthquake was recorded by 86 seismic monitoring stations, contributing valuable data to the study of regional seismic patterns. As a shallow depth earthquake, it originated in the Earth's crust, which influences the propagation of seismic waves. The ml magnitude measurement used for this event is particularly suitable for local earthquakes. This information helps scientists better understand the earthquake's characteristics and its place in the region's seismic history.

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.