M3.3 earthquake 45 km SW of Salmon, Idaho
A magnitude 3.3 earthquake struck 45 km SW of Salmon, Idaho on Sun, Oct 29, 1978, 10:20 AM MST (17:20 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1978-10-29 17:20:19 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 44.916° N, 114.346° 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.
- Depth from
- OPERATOR_ASSIGNED
- 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: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000x6d. Read Sat, Oct 3, 2026, 5:51 PM UTC.