M3.3 earthquake 6 km NNW of Georgetown, Idaho

A magnitude 3.3 earthquake struck 6 km NNW of Georgetown, Idaho on Thu, Jan 25, 2018, 10:40 PM MST (05:40 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.5 14 km ESE of Alpine, Wyoming. This one was a foreshock.

Map

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

20 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 16 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event us2000cpmq (also filed as uu60266017). Read Mon, Sep 28, 2026, 8:47 AM UTC.