⚠️ M4.2 Earthquake Hits San Ramon - Felt Across Bay Area

Earthquake Details

A magnitude 4.2 earthquake struck 4 km SE of San Ramon, CA on Monday, February 2, 2026 at 3:01 PM UTC.

Did You Feel It?

This earthquake was likely felt by residents in San Ramon and surrounding areas. The shaking intensity varies based on:

• Distance from epicenter - Closer locations experience stronger shaking
• Soil type - Soft soils amplify shaking compared to bedrock
• Building type - Upper floors of buildings may sway more

What Caused This Earthquake?

This earthquake occurred in the San Ramon area, which sits along the Calaveras Fault. The Calaveras Fault is known for frequent earthquake swarms, particularly in the San Ramon/Danville area.

Safety Reminders

Check for Damage

After feeling an earthquake:

1. Check yourself and others for injuries

2. Look for structural damage to your home

3. Check for gas leaks, water damage, and electrical issues

4. Be prepared for aftershocks

Aftershock Warning

Earthquakes of this magnitude often produce aftershocks. These can occur minutes, hours, or even days after the main event. Stay alert and be prepared to Drop, Cover, and Hold On.