M1.7 earthquake 28 km WSW of Dillon, Montana
A magnitude 1.7 earthquake struck 28 km WSW of Dillon, Montana on Tue, Nov 13, 2018, 11:21 AM MST (18:21 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M2.6 15 km N of Dillon, Montana. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (ML, local (Richter)), micro
- Magnitude from
- Montana Bureau of Mines and Geology
- Local time
- UTC
- 2018-11-13 18:21:40 UTC
- Depth
- 8.0 km (5.0 mi), shallow
- Epicenter
- 45.094° N, 112.959° 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 0.6 km horizontally, 1.4 km in depth
- Magnitude uncertainty
- ±0.30
- Depth from
- From location
- Station coverage gap
- 151°
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 1.729 km WSW of Dillon, Montana · 2881 days ago · 8 km deep · 0 km away
- 2.034 km SE of Dillon, Montana · 2877 days ago · 7 km deep · 50 km away
- 1.626 km ENE of Leadore, Idaho · 2874 days ago · 4 km deep · 35 km away
- 2.615 km N of Dillon, Montana · 2852 days ago · 8 km deep · 40 km away · felt by 4
- 1.523 km SSE of Leadore, Idaho · 2852 days ago · 8 km deep · 69 km away · felt by 1
- 1.913 km N of Dillon, Montana · 2847 days ago · 9 km deep · 38 km away
- 2.215 km S of Whitehall, Montana · 2840 days ago · 9 km deep · 96 km away
- 2.139 km SSW of Lima, Montana · 2834 days ago · 9 km deep · 89 km away
- 1.528 km SSE of Sula, Montana · 2825 days ago · 5 km deep · 88 km away
Before
Earthquakes todayMontana earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event mb80324069. Read Sat, Oct 3, 2026, 3:13 PM UTC.