QuakePulse

Recent Earthquakes Near Port Costa, California - USGS Data

Track recent earthquakes within 200 miles of Port Costa, California, with real-time USGS data (M1.5+). View seismic activity on our interactive map. No quakes recently? Explore other quake-prone areas.

View biggest historical earthquakes near Port Costa, California →

Port Costa, California has had: (M1.5 or greater)

9 earthquakes in the past 24 hours

143 earthquakes in the past 7 days

411 earthquakes in the past 30 days

4889 earthquakes in the past 365 days

The largest earthquake in Port Costa, California:

Past 24 Hours: M3.1 - 4 km WSW of Johnsville, CA

Past 7 Days: M5.6 - 11 km N of Redwood Valley, CA

Past 30 Days: M5.6 - 11 km N of Redwood Valley, CA

Past 365 Days: M5.9 - 6 km E of Dayton, Nevada

Recent Earthquakes

Seismic Activity Analysis

This card summarizes recent seismic activity, trends, and swarm detection for this region.

Recent Activity

Several Events(143 earthquakes in 7 days)

Activity Trend

Increasing(Last 7d: 143, Prev 7d: 67)

Swarm Detection

Detected 1 potential swarm(s) in the last 24 hours

  • • 5 km NNW of Redwood Valley, CA: 8 earthquakes

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