M1.6 earthquake 16 km ENE of Franklin, Idaho
A magnitude 1.6 earthquake struck 16 km ENE of Franklin, Idaho on Sun, Aug 1, 1982, 2:02 PM MDT (20:02 UTC), 9 km (6 mi) below the surface.
A larger quake followed: M2.1 19 km SSE of Grace, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (md), micro
- Local time
- UTC
- 1982-08-01 20:02:14 UTC
- Depth
- 9.3 km (5.8 mi), shallow
- Epicenter
- 42.084° N, 111.626° W
- Region
- Idaho
- 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 1.7 km horizontally, 1.8 km in depth
- Depth from
- From location
- Station coverage gap
- 275°, poorly surrounded by stations
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu50005350. Read Tue, Sep 22, 2026, 9:29 PM UTC.