An official website of the United States government

Here'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.

US. Geological Survey

- Science Explorer
  
  Biology
  
  Climate
  
  Coasts
  
  Ecosystems
  
  Energy
  
  Environmental Health
  
  Geology
  
  Information Systems
  
  Maps and Mapping
  
  Methods and Analyses
  
  Minerals
  
  Ocean
  
  Natural Hazards
  
  Planetary Science
  
  Science Technology
  
  Water
- Mission Areas
  
  Core Science Systems
  
  Ecosystems
  
  Energy and Minerals
  
  Natural Hazards
  
  Water Resources
- Programs
- Unified Interior Regions
  
  Region 1: North Atlantic-Appalachian
  
  Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands)
  
  Region 3: Great Lakes
  
  Region 4: Mississippi Basin
  
  Region 5: Missouri Basin
  
  Region 6: Arkansas-Rio Grande-Texas-Gulf
  
  Region 7: Upper Colorado Basin
  
  Region 8: Lower Colorado Basin
  
  Region 9: Columbia-Pacific Northwest
  
  Region 10: California-Great Basin
  
  Region 11: Alaska
  
  Region 12: Pacific Islands (American Samoa, Hawaii, Guam, Commonwealth of the Northern Mariana Islands)
- Data
  
  Data Management
  
  Data Releases
  
  Real-time Data
  
  All Data
- Maps
  
  Map Releases
  
  Topographic (Topo) Maps
  
  Volcanic Maps
  
  All Maps
- Multimedia Gallery
  
  Audio
  
  Before and After Images
  
  Images
  
  Slideshows
  
  Stereograms
  
  Videos
  
  Webcams
  
  All Multimedia
- Publications
- Web Tools
  
  APIs
  
  Data Access Tools
  
  Data Analysis Tools
  
  Data Repositories
  
  Data Visualizations
  
  Interactive Maps
  
  All Web Tools
- News Releases
  
  National News Releases
  
  State News Releases
  
  All News Releases
- I'm a Reporter
  
  Earthquake Questions
  
  Request Footage
  
  Multimedia Gallery
  
  Congressional
- Headquarters
  
  12201 Sunrise Valley Drive Reston, VA 20192
  
  703-648-5953
  
  Geology and Hydrology of the USGS Site
  
  USGS Woodland and Rock Garden Walks
- Locations
- Staff Profiles
- Social Media
- Careers
- Contact Us
  
  1-888-392-8545
  
  Email
  
  Web Chat
  
  USGS Store 1-888-275-8747
- About Us
  
  Who We Are
  
  Our History
  
  Past Directors
- Survey Manual
- Organization
  
  Mission Areas
  
  Programs
  
  Unified Interior Regions
  
  Science Centers
  
  Observatories
  
  Laboratories
  
  Science Support Offices
- Key Officials
- Doing Business
  
  Acquisitions
  
  Contracts and Grants
  
  Partners and Cooperators
  
  Building Partnerships
- Emergency Management

Facebook
Twitter
Linkedin
Digg
Reddit
Pinterest
Email

Latest Earthquakes | Chat Share

Label

US. Geological Survey

- Science Explorer
- Mission Areas
- Programs
- Unified Interior Regions
- Data
- Maps
- Multimedia Gallery
- Publications
- Web Tools
- News Releases
- I'm a Reporter
- Headquarters
- Locations
- Staff Profiles
- Social Media
- Careers
- Contact Us
- About Us
- Survey Manual
- Organization
- Key Officials
- Doing Business
- Emergency Management