Technical breakdown of how QuakeViewer3D ingests USGS and meteorological seismic datasets to plot 3D earthquake hypocenters on an interactive digital globe.
1. Ingesting USGS Live GeoJSON Feeds
Continuous background polling of USGS past-hour and past-day feeds, detecting new earthquake events and triggering real-time alerts.
2. 3D Hypocenter Mapping & Magnitude Scaling
Converting geodetic lat/lon/depth coordinates into 3D Cartesian vectors (X, Y, Z). Hypocenter spheres are scaled logarithmically by Magnitude and colored by focal depth.
3. Great-Circle Distance Calculation (Haversine Formula)
Calculating geodesic distances from the user's browser location to all seismic events in real-time.