Earthquake24 reference
Earthquake guides and seismic science
Source-reviewed explanations of earthquake measurements, terminology and the limits of reported seismic data.
Published reference library
Browse the guides
Seismic reference
Earthquake magnitude and depth explained
A clear guide to Mw, the Richter scale, earthquake depth, shaking intensity, PAGER, VEI and volcano alert systems.
Seismic referenceHow Earthquake24 processes USGS earthquake and volcano data
From seismic networks and USGS HANS notices to validated, versioned JSON delivered through Cloudflare's edge network.