M3.3 earthquake 18 km ENE of Georgetown, Idaho

A magnitude 3.3 earthquake struck 18 km ENE of Georgetown, Idaho on Fri, Sep 13, 2019, 11:34 AM MDT (17:34 UTC), 4 km (3 mi) below the surface.

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
3.3	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.039 · 88 stations
3.41	ML, local (Richter)	University of Utah Seismograph Stations	Final · ±0.18 · 20 stations

2 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: 10 in the 60 days after this one and 15 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event us70005fzb (also filed as uu60341222). Read Fri, Oct 2, 2026, 11:11 PM UTC.