Mantle plumes beneath volcanic hotspots, like Hawaii, Iceland, and the Galapagos, seem to be anchored into a large structure ...

BUTTE, Mont. — Envision this scenario: You are going about your day. All is calm and quiet until suddenly, the ground beneath your feet begins to shake, and items within your home or workspace begin ...

TOKYO (AP) — One of the strongest earthquakes ever recorded struck Russia’s Far East early Wednesday, sending tsunami waves into Japan and Hawaii and across the Pacific. No substantial damage has been ...