M2.4 earthquake 18km E of Markleeville, CA

A magnitude 2.4 earthquake struck 18km E of Markleeville, CA on Sun, Oct 4, 2020, 6:54 PM PDT (01:54 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.8 10 km N of Stagecoach, 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
2.35	Md, duration	Northern California Seismic System	Preferred · Final · ±0.12 · 16 stations
2.3	ML, local (Richter)	Nevada Seismological Laboratory	Reviewed · ±0.21 · 10 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: 31 in the 60 days after this one and 7 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event nc73466726 (also filed as nn00777128). Read Sat, Oct 3, 2026, 3:42 AM UTC.