Idaho earthquakes

M1.6 earthquake 25 km N of Lowman, Idaho

A magnitude 1.6 earthquake struck 25 km N of Lowman, Idaho on Sat, Dec 1, 2018, 2:02 AM MST (09:02 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.5 9 km SSE of Clayton, 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
1.6 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2018-12-01 09:02:24 UTC
Depth
6.5 km (4.0 mi), shallow
Epicenter
44.313° N, 115.587° 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, 1.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
109°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.321 km SSE of Yellow Pine, Idaho · 2862 days ago · 16 km deep · 54 km away
  2. 1.924 km N of Lowman, Idaho · 2861 days ago · 7 km deep · 1 km away
  3. 2.59 km SSE of Clayton, Idaho · 2859 days ago · 5 km deep · 99 km away · felt by 1
  4. 1.619 km NW of Clayton, Idaho · 2856 days ago · 3 km deep · 81 km away
  5. 2.311 km NNE of Emmett, Idaho · 2829 days ago · 0 km deep · 78 km away · felt by 1
  6. 1.933 km E of Cascade, Idaho · 2819 days ago · 12 km deep · 28 km away
  7. 1.611 km W of Clayton, Idaho · 2811 days ago · 6 km deep · 83 km away
  8. 1.732 km ESE of Lowman, Idaho · 2810 days ago · 4 km deep · 48 km away

Before

  1. 1.69 km NNW of Stanley, Idaho · 2874 days ago · 4 km deep · 50 km away
  2. 3.115 km NNW of Stanley, Idaho · 2874 days ago · 5 km deep · 48 km away · felt by 1
  3. 1.69 km NNW of Stanley, Idaho · 2875 days ago · 4 km deep · 50 km away
  4. 2.125 km SSW of Clayton, Idaho · 2876 days ago · 5 km deep · 93 km away
  5. 2.26 km N of Stanley, Idaho · 2891 days ago · 3 km deep · 51 km away
  6. 2.19 km NNW of Stanley, Idaho · 2891 days ago · 4 km deep · 49 km away
  7. 1.76 km N of Stanley, Idaho · 2893 days ago · 0 km deep · 51 km away
  8. 1.65 km N of Stanley, Idaho · 2893 days ago · 3 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80327339. Read Sat, Oct 3, 2026, 3:14 PM UTC.