The temblor happened at 10:34 a.m. Atlantic time about 4 miles southwest of Tallaboa, Puerto Rico, data from the agency shows ...
United States Geological Survey scientists have shared maps that show where ash would fall across the US if a Yellowstone ...
A 3.2-magnitude earthquake shook parts of east King County early Thursday afternoon, just hours after a similar quake in ...
Southern California experienced 15 seismic sequences with at least one magnitude 4 or higher earthquake — the highest total ...