M4.4 earthquake southern Idaho
A magnitude 4.4 earthquake struck in southern Idaho on Wed, Sep 11, 1963, 11:23 PM GMT-7 (06:23 UTC), 9 km (6 mi) below the surface.
A larger quake followed: M4.7 27 km NE of Stanley, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 1963-09-12 06:23:48 UTC
- Depth
- 9.0 km (5.6 mi), shallow
- Epicenter
- 44.181° N, 114.621° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ushis2621. Read Mon, Sep 28, 2026, 11:29 AM UTC.