• Advanced National Seismic System (ANSS)
• USGS National Seismic Networks
• Global Seismic Networks
• US Regional Networks & Cooperators
• Links to Other Seismic Networks
• Seismograph Station Codes

Earthquake Catalogs & Seismic Data: Catalog Searches

• World - National Earthquake Information Center (NEIC)
• World - Council of the National Seismic System (CNSS)
• International Seismological Centre (ISC)
• Southern California
• Northern California
• Nevada
• Pacific Northwest
• New Madrid Region/Central U.S.
• Eastern U.S.
• New England (under construction)
• Canada
• National Geophysical Data Center Searches

Earthquake Catalogs

• NEIC - Worldwide Earthquake Catalog Search
• NEIC - Data Available Through FTP
• CNSS - U.S. Earthquake Catalog Search
• ISC - International Seismological Centre (1964–present)
• ISS - International Seismogical Summary (1918–1963)
• List of Significant World-wide Earthquakes:"Magnitudes of Significant Earthquakes"
• Centennial Catalog
• Intraplate Earthquakes, year 495-2002

Earthquake Source & Effects Data

• ShakeMap Archives
  • Pacific Northwest
  • Utah
  • Northern California
  • Southern California
• Did You Feel It? Archives
• NSMP - National Strong Motion Program Data
• NEIC Moment Tensor and Broadband Source Parameter Search
• NGDC - National Geophysical Data Center - NOAA EQ Data
• NGDC -NOAA Earthquake Technical Data
• NGDC - NOAA Earthquake Social Data
• Waveforms

Earthquake Waveform Data

• Automatic Data Request Manager - AutoDRM
• NSMP - National Strong Motion Program Data
• USGS General Earthquake Observation System (GEOS)
• Groundmotion field investigations
• Geologic Hazard Team's Urban Seismic Arrays
• IRIS - Incorporated Research Institutes for Seismology Data

Geodetic Data

• GPS & Geodolite trilateration measurement program

Hazards Mapping Data & Earth Structure

• National Seismic Hazard Mapping
• Global Crustal Database
• National Quaternary Fault & Fold Database

Additional Sources of Data & Resources

• Surfing the Internet for Strong Motion Data - an online guide for finding strong motion data
• NEIC U.S. Mining Seismicity

Alaska & Hawaii

• Alaska Earthquake Catalog Search
• Hawaiian Earthquakes 1823-1959

Pacific Northwest

California & Nevada

• Average 30-m Shear-Wave Velocity in the Los Angeles Area
• Basin Depth in Los Angeles Area
• California Fault Model Repository
• CGS CSMIP - California Geological Survey Strong Motion Instrumentation Program Data
• CISN (California Integrated Seismic Network) Engineering Data Center
• Intermountain West Earthquake Lists
• NCEDC - Northern California Earthquake Data Center Archives
• SeismiQuery - access data and information stored in the NCEDC Oracle database
• Nevada Earthquake Catalog Search
• Parkfield Monitoring Data
• Real-time "Low frequency" geophysical and fault monitoring data for Selected California Areas
• SCEDC - Southern California Earthquake Data Center Archives
• SCIGN-Southern California Integrated GPS Network
• Shake Map Archive
• Southern California Crustal Deformation Monitoring Data
• Two-Color EDM (Electronic Distance Meter) for Selected California Areas

Central U.S.

• CERI - Center for Earthquake Research and Information (Central US)

Eastern U.S.

• Eastern U.S. Data Access -Archives for Lamont Doherty Seismic Network
• SESAME - Seismic Event Server at MIT - Eastern U.S. Data

Products & Services

• Maps - Seismic Hazard, Earthquake, Site Response,
  Fault & Landform
• General Information
• Fact Sheets
• Information Services
• Videos and CDroms

Other USGS Hazard Programs

• Landslides
• Geomagnetism
• Volcanoes
• Water
• Wildfire
• Wildlife Disease
• Coastal Storms and Tsunamis