Montana earthquakes

M1.6 earthquake 18 km S of Whitehall, Montana

A magnitude 1.6 earthquake struck 18 km S of Whitehall, Montana on Sat, Aug 27, 2016, 1:18 PM MDT (19:18 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.0 16 km S of Whitehall, Montana. This one was a foreshock.

Whitehall 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
1.6 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2016-08-27 19:18:06 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
45.710° N, 112.125° 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, 31.6 km in depth
Magnitude uncertainty
±0.30
Depth from
Operator assigned
Station coverage gap
73°
Stations used
10

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 5 in the 30 days before it.

After

  1. 1.56 km W of Dillon, Montana · 3686 days ago · 4 km deep · 73 km away
  2. 4.016 km S of Whitehall, Montana · 3681 days ago · 8 km deep · 2 km away · felt by 21
  3. 2.216 km S of Whitehall, Montana · 3681 days ago · 7 km deep · 1 km away
  4. 3.316 km S of Whitehall, Montana · 3680 days ago · 8 km deep · 2 km away · felt by 6
  5. 2.917 km S of Whitehall, Montana · 3680 days ago · 8 km deep · 1 km away
  6. 1.717 km S of Whitehall, Montana · 3679 days ago · 2 km deep · 0 km away
  7. 1.717 km S of Whitehall, Montana · 3679 days ago · 4 km deep · 1 km away
  8. 1.516 km SSW of Alder, Montana · 3677 days ago · 9 km deep · 59 km away
  9. 1.616 km S of Whitehall, Montana · 3676 days ago · 5 km deep · 1 km away
  10. 3.316 km S of Whitehall, Montana · 3674 days ago · 7 km deep · 2 km away · felt by 2
  11. 1.916 km S of Whitehall, Montana · 3670 days ago · 4 km deep · 1 km away
  12. 2.317 km S of Whitehall, Montana · 3669 days ago · 3 km deep · 1 km away
  13. 2.029 km SSE of Virginia City, Montana · 3668 days ago · 8 km deep · 78 km away
  14. 1.517 km S of Whitehall, Montana · 3668 days ago · 4 km deep · 1 km away
  15. 2.717 km S of Whitehall, Montana · 3659 days ago · 6 km deep · 1 km away
  16. 2.217 km S of Whitehall, Montana · 3659 days ago · 4 km deep · 0 km away
  17. 1.517 km S of Whitehall, Montana · 3659 days ago · 5 km deep · 0 km away
  18. 1.628 km N of Lima, Montana · 3647 days ago · 8 km deep · 97 km away
  19. 2.26 km W of Ponderosa Pines, Montana · 3644 days ago · 9 km deep · 64 km away

Before

  1. 1.913 km N of Dillon, Montana · 3692 days ago · 6 km deep · 57 km away
  2. 1.715 km SSE of Pony, Montana · 3693 days ago · 2 km deep · 31 km away
  3. 2.617 km S of Whitehall, Montana · 3700 days ago · 1 km deep · 0 km away
  4. 1.616 km S of Whitehall, Montana · 3704 days ago · 4 km deep · 1 km away
  5. 3.217 km S of Whitehall, Montana · 3705 days ago · 9 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80166849. Read Sat, Oct 3, 2026, 5:50 AM UTC.