US Geological Survey
The US Geological Survey is a scientific agency of the United States government that conducts research on the natural resources, natural hazards, and environmental health of the United States. The USGS is responsible for monitoring and assessing the country's water, energy, mineral, and biological resources, as well as investigating geological hazards such as earthquakes, volcanoes, landslides, and floods. USGS provides a broad portfolio of public REST APIs covering earthquake data, water resources, geomagnetism, mapping, seismic design, and scientific data catalogs - all available without cost as US Government works.
APIs
USGS Earthquake Catalog API
The USGS Earthquake Catalog API implements the FDSN Event Web Service Specification, providing real-time and historical access to global earthquake data from the USGS National E...
USGS Water Data OGC API
The USGS Water Data OGC APIs provide OGC-compliant interfaces to USGS water data including real-time continuous measurements from automated sensor networks, daily summary values...
USGS ScienceBase Catalog API
The USGS ScienceBase Catalog API provides access to USGS scientific data management infrastructure, enabling upload, documentation, sharing, and dynamic data services for USGS r...
USGS Geomagnetism Web Service
The USGS Geomagnetism Web Service provides programmatic access to geomagnetic data collected by USGS magnetic observatories across the United States and territories, supporting ...
USGS Seismic Design Data Web Services
The USGS Seismic Design Data Web Services provide parameter values from seismic design reference documents for building and infrastructure design, supporting compliance with ASC...
USGS National Map Services
The USGS National Map services provide geospatial data and elevation products via OGC web services, REST APIs, and download services covering topographic data, imagery, hydrogra...