Idaho earthquakes

M1.6 earthquake 13 km ENE of Cascade, Idaho

A magnitude 1.6 earthquake struck 13 km ENE of Cascade, Idaho on Sun, Dec 24, 2017, 7:52 PM MST (02:52 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.5 16 km E of Stanley, Idaho. This one was a foreshock.

Cascade 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
Montana Bureau of Mines and Geology
Local time
UTC
2017-12-25 02:52:57 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
44.552° N, 115.876° 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 0.6 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
141°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.026 km NNE of Lowman, Idaho · 3169 days ago · 7 km deep · 39 km away
  2. 2.310 km NNW of Stanley, Idaho · 3168 days ago · 7 km deep · 76 km away
  3. 2.516 km E of Stanley, Idaho · 3160 days ago · 5 km deep · 97 km away

Before

  1. 1.88 km ENE of Yellow Pine, Idaho · 3209 days ago · 15 km deep · 62 km away
  2. 2.514 km ENE of Halfway, Oregon · 3213 days ago · 4 km deep · 95 km away · felt by 2
  3. 2.28 km ENE of Yellow Pine, Idaho · 3219 days ago · 15 km deep · 63 km away
  4. 1.95 km NNE of Yellow Pine, Idaho · 3220 days ago · 19 km deep · 60 km away
  5. 1.621 km WNW of New Meadows, Idaho · 3225 days ago · 7 km deep · 75 km away
  6. 1.821 km E of Yellow Pine, Idaho · 3226 days ago · 17 km deep · 71 km away
  7. 2.2southern Idaho · 3226 days ago · 10 km deep · 56 km away
  8. 1.95 km SSE of Yellow Pine, Idaho · 3228 days ago · 9 km deep · 52 km away
  9. 1.96 km SE of Yellow Pine, Idaho · 3231 days ago · 8 km deep · 54 km away
  10. 1.67 km SSE of Yellow Pine, Idaho · 3231 days ago · 4 km deep · 51 km away
  11. 2.38 km E of Yellow Pine, Idaho · 3231 days ago · 13 km deep · 61 km away
  12. 2.110 km ENE of Yellow Pine, Idaho · 3232 days ago · 9 km deep · 64 km away
  13. 2.411 km E of Yellow Pine, Idaho · 3234 days ago · 10 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80275929. Read Fri, Oct 2, 2026, 8:50 PM UTC.