DUBLIN – A pair of earthquakes rattled the East Bay on Monday night ... 3.9. The USGS said the 3.9 quake was felt as far away ...

Under California's Sierra Nevada mountains, a slow yet powerful force will change the entirety of the Earth's crust there.

The Foothills fault system sits in the Sierra Nevada mountains, several tens of miles away from San Andreas. The last notable earthquakes on the Foothills fault system were damaging events ...

Join President Sandoval and Professor Geoffrey Blewitt as they discuss the science of geodesy, the ways in which GPS impact ...

Meanwhile, the severe weather threat will linger through Sunday from Florida northward into the upper Ohio River Valley, ...