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
The USGS maintains a variety of high quality, state-of-the-art scientific facilities that provide analytical capabilities, scientific support functions, experimental and modeling expertise, and field capabilities. Two of these facilities are housed in Denver, Colorado at the Federal Center and at Stanford University near the Menlo Park USGS campus.