M2.1 earthquake 12 km WNW of Smiths Ferry, Idaho
A magnitude 2.1 earthquake struck 12 km WNW of Smiths Ferry, Idaho on Fri, Sep 14, 2018, 10:22 PM MDT (04:22 UTC), 6 km (4 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (ML, local (Richter)), micro
- Magnitude from
- Montana Bureau of Mines and Geology
- Local time
- UTC
- 2018-09-15 04:22:05 UTC
- Depth
- 6.3 km (3.9 mi), shallow
- Epicenter
- 44.325° N, 116.245° W
- Region
- Idaho
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.5 km horizontally, 1.2 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 145°
- 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: 0 in the 60 days after this one and 2 in the 30 days before it.
Before
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event mb80310314. Read Sat, Oct 3, 2026, 7:43 PM UTC.