M 7.7 - 123 km W of Río Grande, Argentina
- 1949-12-17 06:53:32 (UTC)
- 53.972°S 69.562°W
- 10.0 km depth
ShakeMap
- The data below are the most preferred data available
- The data below have NOT been reviewed by a scientist.
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:
- ISCGEM
