Montana earthquakes

M1.9 earthquake 6 km E of Willow Creek, Montana

A magnitude 1.9 earthquake struck 6 km E of Willow Creek, Montana on Fri, Feb 19, 2021, 8:26 AM MST (15:26 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.7 23 km ESE of Dillon, Montana. 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
1.9 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2021-02-19 15:26:58 UTC
Depth
4.6 km (2.9 mi), shallow
Epicenter
45.825° N, 111.562° W
Region
Montana
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 0.4 km horizontally, 5.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
66°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.623 km ESE of Dillon, Montana · 2052 days ago · 5 km deep · 99 km away
  2. 2.723 km ESE of Dillon, Montana · 2049 days ago · 7 km deep · 97 km away
  3. 1.69 km SW of Radersburg, Montana · 2046 days ago · 4 km deep · 35 km away
  4. 1.9Western Montana · 2039 days ago · 6 km deep · 17 km away
  5. 1.87 km WSW of Willow Creek, Montana · 2036 days ago · 2 km deep · 13 km away
  6. 1.632 km S of Ennis, Montana · 2036 days ago · 8 km deep · 85 km away
  7. 2.119 km W of Pony, Montana · 2036 days ago · 5 km deep · 48 km away
  8. 1.617 km NNW of Ennis, Montana · 2034 days ago · 9 km deep · 43 km away
  9. 1.75 km ENE of Logan, Montana · 2021 days ago · 4 km deep · 18 km away
  10. 1.62 km E of Logan, Montana · 2017 days ago · 12 km deep · 15 km away
  11. 1.87 km W of Sheridan, Montana · 2009 days ago · 10 km deep · 70 km away
  12. 2.029 km SSE of Virginia City, Montana · 2007 days ago · 3 km deep · 87 km away
  13. 1.815 km NE of Dillon, Montana · 2003 days ago · 6 km deep · 92 km away
  14. 1.51 km ENE of Toston, Montana · 2003 days ago · 1 km deep · 40 km away
  15. 2.210 km NE of Toston, Montana · 1999 days ago · 1 km deep · 49 km away

Before

  1. 2.11 km SSE of Townsend, Montana · 2054 days ago · 6 km deep · 53 km away
  2. 1.87 km WSW of Jefferson City, Montana · 2058 days ago · 4 km deep · 74 km away
  3. 1.57 km ENE of Townsend, Montana · 2058 days ago · 4 km deep · 58 km away
  4. 1.68 km ENE of Townsend, Montana · 2059 days ago · 7 km deep · 59 km away
  5. 2.211 km NNW of Emigrant, Montana · 2072 days ago · 15 km deep · 72 km away
  6. 1.624 km SSW of Virginia City, Montana · 2079 days ago · 4 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80488049. Read Mon, Oct 5, 2026, 2:25 AM UTC.