M3.1 earthquake 32 km SSE of Hawthorne, Nevada

A magnitude 3.1 earthquake struck 32 km SSE of Hawthorne, Nevada on Sun, Feb 21, 2021, 1:22 PM PST (21:22 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 24 km S of Mina, 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
3.1	ML, local (Richter)	Nevada Seismological Laboratory	Preferred · Reviewed · ±0.33 · 16 stations
2.9	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.034 · 116 stations

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of at least 202.

From the USGS Earthquake Hazards Program and its partner networks, event nn00800885 (also filed as us6000djy8). Read Sat, Oct 3, 2026, 8:01 AM UTC.