M 3.5 - 4 km NE of Black Rock, Arkansas
- 1994-08-20 10:45:45 (UTC)
- 36.140°N 91.063°W
- 9.9 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:
- NM