Idaho earthquakes

M2.7 earthquake 10 km NNW of Georgetown, Idaho

A magnitude 2.7 earthquake struck 10 km NNW of Georgetown, Idaho on Sun, Oct 15, 2017, 9:16 PM MDT (03:16 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.0 15 km NNW of Georgetown, Idaho. 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
2.7 (ml), micro
Local time
UTC
2017-10-16 03:16:20 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
42.564° N, 111.421° W
Region
Idaho
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.9 km horizontally, 4.9 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
42°
Stations used
46

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 94 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of 94.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000asmn (also filed as uu60253357). Read Sun, Sep 27, 2026, 9:17 PM UTC.