M2.3 earthquake 14 km S of Markleeville, California

A magnitude 2.3 earthquake struck 14 km S of Markleeville, California on Mon, Apr 22, 2002, 1:02 PM PDT (20:02 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.0 14 km NNE of Virginia City, 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
2.32	Md, duration	Northern California Seismic System	Preferred · Final · ±0.1 · 6 stations
1.6	ML, local (Richter)	Nevada Seismological Laboratory	Reviewed

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: 46 in the 60 days after this one and 5 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event nc21222488 (also filed as nn00047623). Read Mon, Oct 5, 2026, 1:56 PM UTC.