M2.6 earthquake 25 km SE of Mammoth, Wyoming

A magnitude 2.6 earthquake struck 25 km SE of Mammoth, Wyoming on Mon, Nov 21, 2016, 1:13 AM MST (08:13 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.4 45 km ENE of Warm River, Idaho. This one was a foreshock.

Map

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

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: 52 in the 60 days after this one and 24 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uu60171307 (also filed as us10007b66). Read Tue, Sep 29, 2026, 10:26 AM UTC.