Wells & Coppersmith (1994) ↗New empirical relationships among magnitude, rupture length, rupture width, rupture area, and surface displacement
Bulletin of the Seismological Society of America 84(4)
Used for: Fault length from magnitude scaling (log L = 0.59M - 2.44) used for earthquake tsunami ellipse geometry and rupture zone estimation.
GEM Global Active Faults (2019) ↗GEM Global Active Faults Database
GEM Foundation / OpenQuake
Used for: 16,195 active fault traces worldwide. Properties include slip type, average dip, rake, slip rate, seismogenic depth used for fault line overlay and earthquake parameter auto-population.
USGS ShakeMap (Worden et al. 2020) ↗ShakeMap Manual: Technical Manual, Users Guide, and Software Guide
U.S. Geological Survey
Used for: MMI intensity ring calibration: M9.1 Tohoku observed zones (X+~60km, IX~110km, V~1000km) used to calibrate attenuation formula.
Smithsonian GVP (2023) ↗Global Volcanism Program — Volcanoes of the World
Smithsonian Institution
Used for: 1,215 Holocene volcano locations with type, last eruption year, evidence category, tectonic setting and photos. Powers the volcano overlay and eruption simulation.