Idaho earthquakes

M2.4 earthquake 3 km WNW of Georgetown, Idaho

A magnitude 2.4 earthquake struck 3 km WNW of Georgetown, Idaho on Fri, Aug 24, 2018, 3:39 PM MDT (21:39 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.3 17 km SW of Fairview, Wyoming. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.4 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2018-08-24 21:39:41 UTC
Depth
7.5 km (4.7 mi), shallow
Epicenter
42.501° N, 111.411° W
Region
Idaho
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.7 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
152°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 21 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60294427. Read Thu, Oct 1, 2026, 10:12 AM UTC.