Montana earthquakes

M1.7 earthquake 10 km NNW of Dillon, Montana

A magnitude 1.7 earthquake struck 10 km NNW of Dillon, Montana on Tue, Feb 14, 2017, 11:51 PM MST (06:51 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.6 44 km W of Hebgen Lake Estates, Montana. This one was a foreshock.

Dillon forecastMore in Montana

Map

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

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The earthquake

Magnitude
1.7 (ml), micro
Local time
UTC
2017-02-15 06:51:18 UTC
Depth
3.6 km (2.3 mi), shallow
Epicenter
45.307° N, 112.675° 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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.39
Depth from
From location
Station coverage gap
115°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.631 km ENE of Leadore, Idaho · 3507 days ago · 0 km deep · 59 km away
  2. 2.515 km S of Whitehall, Montana · 3500 days ago · 5 km deep · 63 km away
  3. 2.644 km W of Hebgen Lake Estates, Montana · 3493 days ago · 11 km deep · 95 km away
  4. 1.843 km W of Hebgen Lake Estates, Montana · 3488 days ago · 11 km deep · 95 km away
  5. 1.97 km WNW of Ennis, Montana · 3487 days ago · 1 km deep · 67 km away
  6. 1.819 km SE of Sula, Montana · 3478 days ago · 1 km deep · 99 km away
  7. 2.537 km S of Virginia City, Montana · 3471 days ago · 5 km deep · 66 km away

Before

  1. 1.710 km NNW of Dillon, Montana · 3518 days ago · 4 km deep · 1 km away
  2. 3.129 km ENE of Leadore, Idaho · 3524 days ago · 3 km deep · 63 km away · felt by 2
  3. 2.429 km ENE of Leadore, Idaho · 3525 days ago · 4 km deep · 64 km away
  4. 3.442 km W of Hebgen Lake Estates, Montana · 3526 days ago · 12 km deep · 97 km away
  5. 2.143 km NE of Spencer, Idaho · 3533 days ago · 14 km deep · 93 km away
  6. 1.826 km SW of Dillon, Montana · 3536 days ago · 3 km deep · 33 km away
  7. 1.940 km NE of Leadore, Idaho · 3537 days ago · 5 km deep · 48 km away · felt by 1
  8. 3.341 km SW of Dillon, Montana · 3538 days ago · 1 km deep · 47 km away · felt by 4
  9. 2.215 km SSE of Pony, Montana · 3541 days ago · 12 km deep · 69 km away
  10. 3.114 km S of Pony, Montana · 3541 days ago · 8 km deep · 65 km away
  11. 1.67 km SW of Leadore, Idaho · 3542 days ago · 6 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80199484. Read Wed, Sep 30, 2026, 5:07 PM UTC.