Recent Earthquakes Near Rancho Cucamonga, California - USGS Data

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

Rancho Cucamonga, California has had: (M1.5 or greater)

10 earthquakes in the past 24 hours

71 earthquakes in the past 7 days

361 earthquakes in the past 30 days

4182 earthquakes in the past 365 days

The largest earthquake in Rancho Cucamonga, California:

Past 24 Hours: M2.6 - 25 km ESE of San Clemente Is. (SE tip), CA

Past 7 Days: M3.3 - 11 km SSW of Borrego Springs, CA

Past 30 Days: M3.8 - 15 km NW of Grapevine, CA

Past 365 Days: M5.2 - 24 km SW of Lamont, CA

Seismic Activity Analysis

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


Recent Activity

Several Events(71 earthquakes in 7 days)

Activity Trend

Stable(Last 7d: 71, Prev 7d: 83)

Swarm Detection

No significant swarms detected in the last 24 hours