M2.5 earthquake 35 km SE of Mina, Nevada

A magnitude 2.5 earthquake struck 35 km SE of Mina, Nevada on Thu, Sep 23, 2021, 2:34 PM PDT (21:34 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.7 30 km SSE 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
2.5	ML, local (Richter)	Nevada Seismological Laboratory	Preferred · Reviewed · ±0.36 · 11 stations
2.2	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.044 · 67 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: 166 in the 60 days after this one and 91 in the 30 days before it.

The first 60 of 166.

From the USGS Earthquake Hazards Program and its partner networks, event nn00823225 (also filed as us7000fdwc). Read Sat, Oct 3, 2026, 2:00 PM UTC.