M1.9 earthquake 10 km E of Big Pine, CA

A magnitude 1.9 earthquake struck 10 km E of Big Pine, CA on Sat, Mar 22, 2025, 5:44 PM PDT (00:44 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.8 16 km SSE of Mammoth Lakes, CA. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
1.87	Md, duration	Northern California Seismic System	Preferred · Final · ±0.241 · 22 stations
2.0	ML, local (Richter)	Nevada Seismological Laboratory	Reviewed · ±0.07 · 2 stations

1 person reported to the USGS what they felt.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 34 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event nc75153532 (also filed as nn00894961). Read Sat, Oct 3, 2026, 4:52 AM UTC.