>> Tsunami Observations & Data

Observations of seismic activity, sea floor bathymetry, topography, and sea height are used in combination with tsunami models to create inundation and evacuation maps and to issue tsunami watches and warnings.

Realtime Data

• Latest event message for North America's West and East Coasts, and US Gulf of Mexico Coasts (from WC/ATWC)
• Latest event messages for Hawaii, all U.S. interests in the Pacific outside the West Coast/Alaska Tsunami Warning Center area of responsibility, most countries in the Pacific and around its rim. Includes Puerto Rico and the Virgin Islands. (from PTWC)
• Current Earthquakes Worldwide and USA - from USGS
• Realtime and Retrospective data from DART Tsunami Buoy Data - from NOAA
• Worldwide Earthquake Activity in the Last Seven Days from USGS
• Realtime Seismic Waveforms - from the USGS
• Report an Earthquake! from the USGS

Data Links

• Comprehensive Links: observations, data, satellite data, model simulations, photos, videos, and relevant websites - from NOAA Tsunami Research Program

Seismic Activity Data

• Latest Worldwide Earthquakes - from the USGS Earthquake Hazards program
• Last 8-30 days of Earthquake Activity - with Map - from the USGS Earthquake Hazards program
• USGS Coastal & Marine Geology (CMG) Infobank - from the USGS
• IRIS global Seismic Monitor - from the USGS
• EarthScope - geological hazards monitoring and research - from NSF
• Seismic data lnks - provided by NOAA Tsunami Research Program

Sea Height (sea level) Data

• Tide Gauge observations of sea height (Alaska, Hawaii, NOS, NDBC, University of Hawaii, Australian, Japanese)
• Realtime Tsunami Warning Buoy Data - from NOAA/NDBC
  • Development of Tsunami Warning Buoys (DART buoys) - from NOAA/PMEL
  • How a Tsunami Monitoring Buoy works - from NOAA/PMEL
• NOAA Scientists able to measure Tsunami Height from Space - Jan 10, 2005
• Global Sea Level data links - provided by NOAA Tsunami Research Program
• Satellite Data links - provided by NOAA Tsunami Research Program

Bathymetry and Topography Data

• Bathymetry, Topography and Relief - from NOAA/NGDC
• Data Explorer - NOAA/NOS data holdings - from NOAA/NOS
• Shoreline Data for the US - from NOAA/NOS
• Global seafloor topography from satellites - from Scripps Institute of Oceanography
• Bathymetry/Topography of the Earth Surface - from NOAA/NGDC
• Bathymetry, Topography and Relief websites - from the UN Atlas of the Oceans
• Tsunami Inundation Gridding Project - from NOAA/NGDC
• Digital Elevation Model (DEM) Discovery Portal - for locating, previewing, downloading DEMs published on the Web - from NOAA/NGDC

Additional Tsunami Data and Historical Information

• An integrated approach (models and data) to improving tsunami warning and mitigation
• Tsunami travel times from a source in the Pacific Ocean to coastal locations - from US Tsunami Warning Centers
• Tsunami Event and Runup Database at NOAA/NGDC
• Historical Tsunami Data for the Pacific, 47B.C. to the present - from the Russian Academy of Sciences
• Tsunami Publications - from the NOAA Center for Tsunami Research
• Tsunami Publications - from the National Hazard Mitigation Program Archive