California earthquakes

M2.3 earthquake 42km S of Qualeys Camp, NV

A magnitude 2.3 earthquake struck 42km S of Qualeys Camp, NV on Fri, Nov 19, 2021, 9:27 AM PST (17:27 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.8 8km ESE of Deep Springs, CA. This one was a foreshock.

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Map

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

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The earthquake

Magnitude: 2.3 (Md, duration), micro
Magnitude from: Northern California Seismic System
Local time: Fri, Nov 19, 2021, 9:27 AM PST
UTC: 2021-11-19 17:27:06 UTC
Depth: 6.0 km (3.7 mi), shallow
Epicenter: 37.930° N, 118.552° W
Region: California
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

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 · ±0.126 · 29 stations
2.3	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.037 · 94 stations
2.5	ML, local (Richter)	Nevada Seismological Laboratory	Reviewed · ±0.46 · 11 stations

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.2 km horizontally, 2.7 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 69°
Stations used: 29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 110 in the 30 days before it.

After

The first 60 of at least 199.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73654990 (also filed as nn00828409, us7000fvj6). Read Sun, Oct 4, 2026, 12:13 AM UTC.