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.
The magnitude 6.4 and 7.1 earthquakes and their aftershocks. Aftershock rates for the magnitude7.1 event continue to fall as time passes. Large aftershocks are still possible.
Public Domain.
