Idaho earthquakes

M1.6 earthquake 3 km NNE of Bennington, Idaho

A magnitude 1.6 earthquake struck 3 km NNE of Bennington, Idaho on Sun, Mar 15, 2015, 11:55 PM MDT (05:55 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.3 17 km W of Bennington, Idaho. This one was a foreshock.

Montpelier 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
1.6 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2015-03-16 05:55:59 UTC
Depth
5.7 km (3.5 mi), shallow
Epicenter
42.419° N, 111.312° 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 1.0 km horizontally, 2.4 km in depth
Magnitude uncertainty
±0.58
Depth from
FROM_LOCATION
Station coverage gap
148°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.225 km SSW of Irwin, Idaho · 4220 days ago · 1 km deep · 89 km away
  2. 2.317 km W of Bennington, Idaho · 4190 days ago · 0 km deep · 19 km away
  3. 1.919 km SSW of Irwin, Idaho · 4180 days ago · 7 km deep · 93 km away
  4. 1.811 km ENE of Bennington, Idaho · 4161 days ago · 5 km deep · 9 km away

Before

  1. 1.6southern Idaho · 4220 days ago · 3 km deep · 2 km away
  2. 1.92 km N of Bennington, Idaho · 4220 days ago · 3 km deep · 1 km away
  3. 2.04 km NW of Bennington, Idaho · 4223 days ago · -3 km deep · 5 km away
  4. 2.23 km NW of Bennington, Idaho · 4223 days ago · 4 km deep · 4 km away
  5. 2.84 km NW of Bennington, Idaho · 4223 days ago · -3 km deep · 4 km away
  6. 2.96 km SSW of Georgetown, Idaho · 4223 days ago · -3 km deep · 7 km away
  7. 2.95 km NW of Bennington, Idaho · 4223 days ago · 0 km deep · 5 km away
  8. 2.92 km NW of Bennington, Idaho · 4223 days ago · 3 km deep · 3 km away
  9. 3.43 km NW of Bennington, Idaho · 4223 days ago · -3 km deep · 4 km away · felt by 8
  10. 2.25 km NW of Bennington, Idaho · 4223 days ago · -2 km deep · 4 km away
  11. 1.85 km NNE of Etna, Wyoming · 4223 days ago · 7 km deep · 78 km away
  12. 2.13 km NNW of Amalga, Utah · 4245 days ago · 9 km deep · 77 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60104692. Read Sun, Oct 4, 2026, 8:49 AM UTC.