Non-volcanic tremor ramp up precedes slow slip in Cascadia by about a day, indicating that brittle-creeping process ...

A new analysis of earthquake rupture directivity provides essential insights for seismic hazard and risk assessments in urban ...

A rare earthquake was reported near Marshville, North Carolina, about a 35-mile drive east from uptown Charlotte, according ...

After the House of Representatives passed a resolution on Tuesday to fund the federal government and avoid a shutdown, two Oregon state lawmakers are denouncing proposed cuts — jeopardizing ...

California, long known for its seismic activity, is experiencing an alarming increase in geological shifts—and some fault ...