Global Natural Hazards Monitor

NASA's Earth Observatory Natural Event Tracker aggregates natural hazard events from 5 satellite agencies including InciWeb, USGS, NOAA, ESA Copernicus, and the Australian Bureau of Meteorology. Returns wildfires, severe storms, volcanoes, and sea ice events as structured JSON with geographic coordinates and source links.

The Global Disaster Alerting Coordination System (GDACS) is a joint initiative of UN OCHA and the European Commission JRC. It provides real-time alerts for earthquakes, tropical cyclones, floods, volcanoes, droughts, and wildfires globally with severity classification (Red/Orange/Green alert levels).

A server-side Route Handler fetches both EONET and GDACS in parallel using Promise.allSettled for fault tolerance. Events are merged, deduplicated by proximity (0.5° threshold), and normalized into a unified HazardEvent schema with consistent category and severity fields. 15-minute cache with stale-while-revalidate.

GDACS alert levels (Red → critical, Orange → high, Green → moderate) and EONET magnitude values are mapped to a unified 4-tier severity system. Severity controls point altitude (critical events tower higher) and radius (larger = more severe), creating an intuitive visual hierarchy.

globe.gl renders hazard events as WebGL points on a 3D globe with NASA day texture. Each hazard category has a distinct color, and severity is encoded via point altitude and radius. A pulse animation cycles point altitude for a dynamic, living-map effect. Click any event for full details.

177 countries from Natural Earth 110m are rendered as transparent polygons with white stroke borders. Hover highlights a country, click flies to it and shows per-country hazard breakdown: total events, breakdown by category, and the top 3 most severe events within the country bounding box.