M 5.6 - 18 km ESE of Challis, Idaho
- 1984-08-22 09:46:30 (UTC)
- 44.467°N 114.008°W
- 10.0 km depth
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Earthquake Hazards Program
- In cooperation with:
- US