Impact Story #08
Tsunami Early Warning
In the event of a major earthquake, only a few minutes are often available for response measures. Software developed by the GFZ Helmholtz Centre for Geosciences provides the foundation for rapid warning systems worldwide.
Major earthquakes and tsunamis are among the most destructive natural hazards. Timely and reliable information can be crucial for evacuating populations before disaster strikes.
The GFZ Helmholtz-Zentrum für Geoforschung in Potsdam developed the seismological software package SEISComP to support tsunami early warning. The software continuously processes data from hundreds to thousands of monitoring stations worldwide and automatically determines an earthquake’s location, depth, and magnitude, usually within a few minutes.
These rapid analyses provide a critical basis for national and international warning centers, including those serving the Indian Ocean, Pacific, and Mediterranean regions. Based on these seismic analyses, authorities determine whether to issue a tsunami warning. SEISComP detects and records thousands of earthquakes worldwide each year.
Beyond tsunami early warning, SEISComP also supports the monitoring of active volcanoes and the analysis of seismic hazards. Today, SEISComP is internationally recognized as a standard tool for real-time seismological analysis and serves as an essential component of global early warning systems.
Image: GITEWS
