M2.3 earthquake 22km SW of Whitehawk, CA

A magnitude 2.3 earthquake struck 22km SW of Whitehawk, CA on Sun, Feb 23, 2020, 1:12 AM PST (09:12 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M4.5 5 km NE of Indian Hills, Nevada. 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
2.34	Md, duration	Northern California Seismic System	Preferred · Final · ±0.225 · 30 stations
2.3	ML, local (Richter)	Nevada Seismological Laboratory	Reviewed · ±0.34 · 7 stations

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 9 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event nc73344965 (also filed as nn00717664). Read Sun, Oct 4, 2026, 9:47 PM UTC.