Idaho earthquakes

M2.3 earthquake 13 km NNW of Georgetown, Idaho

A magnitude 2.3 earthquake struck 13 km NNW of Georgetown, Idaho on Tue, Sep 25, 2018, 3:08 AM MDT (09:08 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.8 12 km E of Soda Springs, Idaho. This one was a foreshock.

Soda Springs forecastMore in Idaho

Map

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

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The earthquake

Magnitude
2.3 (ml), micro
Local time
UTC
2018-09-25 09:08:05 UTC
Depth
2.6 km (1.6 mi), shallow
Epicenter
42.588° N, 111.443° 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, 5.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
120°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 31 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60297622. Read Wed, Sep 30, 2026, 5:11 PM UTC.