Public API

Free, CORS-enabled JSON endpoints. No authentication. Please cache responses, attribute the upstream source (PHIVOLCS / USGS / EMSC where noted), and do not use for emergency decision-making.

• /api/public/earthquakescache 60s

  Live USGS earthquake feed clipped to the Philippine bounding box. Query: ?period=hour|day|week|month&minmag=N

• /api/public/faultscache 1h

  Active faults & trenches inventory with simplified geometries.

• /api/public/provincescache 1h

  Curated provincial seismic context with nearby faults.

• /api/public/citiescache 1h

  Philippine cities (HUC/ICC/CC). Query: ?region=NCR

• /api/public/historicalcache 24h

  Major destructive Philippine earthquakes with references.

• /api/public/tsunamiscache 24h

  Tsunamigenic Philippine earthquakes.

• /api/public/hazardscache 24h

  Hazard registry with authoritative PHIVOLCS/GeoRiskPH links.

• /api/public/forecastscache 10m

  Experimental probabilistic forecast (G-R, Gamma-Poisson Bayesian, ETAS productivity).

Forecast endpoint exposes an experimental research forecast: Gutenberg-Richter b-value fit, Gamma-Poisson Bayesian posterior on annual rate, and Felzer-Brodsky ETAS productivity. It is descriptive of the recent catalog and does not predict any specific event.