QuakePulse

Recent Earthquakes Near Portola Valley, California - USGS Data

Track recent earthquakes within 200 miles of Portola Valley, 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 Portola Valley, California →

Portola Valley, California has had: (M1.5 or greater)

22 earthquakes in the past 24 hours

103 earthquakes in the past 7 days

341 earthquakes in the past 30 days

3855 earthquakes in the past 365 days

The largest earthquake in Portola Valley, California:

Past 24 Hours: M3.0 - 5 km NW of Pinnacles, CA

Past 7 Days: M4.5 - 21 km SE of Alderpoint, California

Past 30 Days: M4.5 - 21 km SE of Alderpoint, California

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(103 earthquakes in 7 days)

Activity Trend

Stable(Last 7d: 103, Prev 7d: 84)

Swarm Detection

Detected 2 potential swarm(s) in the last 24 hours

  • • 8 km ESE of Cloverdale, CA: 9 earthquakes
  • • 5 km NNW of Pinnacles, CA: 10 earthquakes

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