M1.7 earthquake 4km E of Lone Pine, CA

A magnitude 1.7 earthquake struck 4km E of Lone Pine, CA on Fri, Sep 29, 2017, 5:42 AM PDT (12:42 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.9 5km WNW of Coso Junction, CA. 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
1.71	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.113 · 29 stations
1.7	ML, local (Richter)	Nevada Seismological Laboratory	Reviewed · ±0.26 · 4 stations
3.4	Mwr, regional moment	Nevada Seismological Laboratory	Moment tensor · Reviewed

No one has reported feeling this quake to the USGS.

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 37 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ci38014488 (also filed as nn00607503). Read Mon, Oct 5, 2026, 3:10 AM UTC.