Idaho earthquakes

M3.7 earthquake 22 km SE of Challis, Idaho

A magnitude 3.7 earthquake struck 22 km SE of Challis, Idaho on Sun, Feb 8, 2015, 12:00 PM MST (19:00 UTC), 14 km (8 mi) below the surface.

Challis forecastMore in Idaho

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
3.7 (md), minor
Local time
UTC
2015-02-08 19:00:46 UTC
Depth
13.6 km (8.5 mi), shallow
Epicenter
44.352° N, 114.054° W
Region
Idaho
Strongest shaking
III, weak shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
III, weak shaking
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

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 4.1 km horizontally, 6.8 km in depth
Station coverage gap
61°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 2.98 km SE of Challis, Idaho · 4251 days ago · 14 km deep · 14 km away · felt by 1
  2. 2.822 km SE of Challis, Idaho · 4250 days ago · 14 km deep · 0 km away
  3. 2.012 km SE of Challis, Idaho · 4249 days ago · 8 km deep · 9 km away
  4. 1.925 km W of Lima, Montana · 4247 days ago · 2 km deep · 96 km away
  5. 3.022 km SE of Challis, Idaho · 4246 days ago · 13 km deep · 0 km away
  6. 2.4southern Idaho · 4244 days ago · 13 km deep · 10 km away
  7. 2.0southern Idaho · 4231 days ago · 11 km deep · 12 km away
  8. 3.09 km SE of Challis, Idaho · 4227 days ago · 14 km deep · 13 km away · felt by 2
  9. 2.810 km SE of Challis, Idaho · 4226 days ago · 12 km deep · 11 km away
  10. 3.111 km SE of Challis, Idaho · 4224 days ago · 11 km deep · 11 km away
  11. 1.910 km SE of Challis, Idaho · 4219 days ago · 13 km deep · 12 km away
  12. 2.511 km SE of Challis, Idaho · 4219 days ago · 11 km deep · 11 km away
  13. 2.314 km NW of Challis, Idaho · 4211 days ago · 5 km deep · 36 km away
  14. 2.09 km SE of Challis, Idaho · 4209 days ago · 12 km deep · 13 km away
  15. 2.012 km N of Challis, Idaho · 4202 days ago · 11 km deep · 33 km away
  16. 2.115 km NNW of Challis, Idaho · 4202 days ago · 4 km deep · 38 km away
  17. 2.08 km SE of Challis, Idaho · 4198 days ago · 12 km deep · 14 km away
  18. 2.518 km NE of Leadore, Idaho · 4197 days ago · 12 km deep · 84 km away
  19. 2.110 km SE of Challis, Idaho · 4195 days ago · 12 km deep · 11 km away

Before

  1. 2.510 km SE of Challis, Idaho · 4252 days ago · 13 km deep · 12 km away
  2. 2.910 km SE of Challis, Idaho · 4253 days ago · 12 km deep · 12 km away · felt by 1
  3. 2.89 km SE of Challis, Idaho · 4253 days ago · 11 km deep · 13 km away
  4. 2.422 km SE of Challis, Idaho · 4258 days ago · 12 km deep · 1 km away
  5. 2.324 km N of Challis, Idaho · 4259 days ago · 14 km deep · 43 km away
  6. 2.38 km SE of Challis, Idaho · 4259 days ago · 13 km deep · 14 km away
  7. 2.711 km SE of Challis, Idaho · 4260 days ago · 11 km deep · 11 km away
  8. 2.711 km ESE of Challis, Idaho · 4260 days ago · 12 km deep · 11 km away · felt by 1
  9. 2.315 km NNW of Challis, Idaho · 4261 days ago · 3 km deep · 37 km away
  10. 3.622 km SE of Challis, Idaho · 4264 days ago · 13 km deep · 1 km away · felt by 3
  11. 2.451 km WNW of Challis, Idaho · 4269 days ago · 12 km deep · 73 km away
  12. 2.353 km NW of Challis, Idaho · 4269 days ago · 10 km deep · 75 km away
  13. 2.654 km NW of Challis, Idaho · 4269 days ago · 11 km deep · 75 km away
  14. 2.853 km NW of Challis, Idaho · 4269 days ago · 12 km deep · 74 km away
  15. 2.654 km NW of Challis, Idaho · 4269 days ago · 9 km deep · 76 km away
  16. 2.853 km NW of Challis, Idaho · 4269 days ago · 11 km deep · 74 km away
  17. 2.39 km SE of Challis, Idaho · 4273 days ago · 12 km deep · 13 km away
  18. 2.111 km SE of Challis, Idaho · 4274 days ago · 8 km deep · 11 km away
  19. 2.49 km SE of Challis, Idaho · 4274 days ago · 12 km deep · 13 km away
  20. 2.79 km SE of Challis, Idaho · 4274 days ago · 14 km deep · 13 km away

Earthquakes todayIdaho earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usc000tn8a (also filed as mb15786757). Read Tue, Sep 29, 2026, 9:43 AM UTC.