M2.8 earthquake 14 km NNW of Georgetown, Idaho

A magnitude 2.8 earthquake struck 14 km NNW of Georgetown, Idaho on Tue, Oct 24, 2017, 6:30 AM MDT (12:30 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.0 15 km NNW of Georgetown, Idaho. 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
2.8	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.035 · 108 stations
2.89	ML, local (Richter)	University of Utah Seismograph Stations	Final · ±0.156 · 11 stations

2 people reported to the USGS what they felt; the strongest reported shaking was II, 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: 72 in the 60 days after this one and 166 in the 30 days before it.

The first 60 of 72.

From the USGS Earthquake Hazards Program and its partner networks, event us1000awa1 (also filed as uu60254457). Read Fri, Oct 2, 2026, 2:17 PM UTC.