M 5.9 - 1 km NE of Nagareyama, Japan
- 1983-02-27 12:14:20 (UTC)
- 35.869°N 139.916°E
- 78.3 km depth
Focal Mechanism
- The data below are the most preferred data available
- The data below have 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:
- US