An official website of the United States government. Here's how you knowHere's how you know
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.
Latest Earthquake | Chat Share
Doug Daniels, Principal Systems Engineer with the Aerospace Corporation at USGS Earth Resources Observation and Science (EROS) Center, pictured with the graphic for the EROS podcast "Eyes on Earth."