An earthquake typically sets off ruptures that ripple out from its underground origins. But on rare occasions, seismologists ...

Earthquakes are generally understood to rupture outward from their starting point beneath the ground, sending seismic waves ...

A mathematical trick speeds up seismic calculations for earthquake simulations and could revolutionize earthquake preparedness.

Over 25 million cubic yards of rock and ice broke loose and plunged into Greenland's Dickson Fjord, creating a 650-foot-high mega-tsunami ...