What we listen to
Every dispatch traces to an authoritative public source. Each upstream keeps its own licence; aggregation is CC0.
U.S. Geological Survey · National Earthquake Information Center
Global real-time seismic feed. Polled every five minutes for the most recent hour's events.
National Hurricane Center
Atlantic and East Pacific tropical cyclones, advisories, forecast cones, and the best-track record. Polled every fifteen minutes.
U.S. National Weather Service · local offices
CAP-compliant alerts across tornado, flood, severe thunderstorm, winter storm, red flag, and tsunami warnings. Each alert carries its issuing WFO as the callsign (e.g. NWS-OUN for Norman, OK). Polled every fifteen minutes.
Peter Bird · tectonic plate model
Every plate boundary on Earth, the dataset underneath the Atlas fault pages. Bird (2003) plate model, redistributed via fraxen/tectonicplates under MIT.
Integrity
Every build's source health manifest is published at /manifest.json. Payload hashes for each dispatch are shown on the dispatch page under Provenance.