A major Hayward fault quake could shake some Bay Area communities harder than expected because of the ground beneath them, new federal simulations show.

Residents along the West Coast were left shaken when a 7.0 magnitude earthquake rattled the region last week, resulting in a tsunami warning and a scary couple of hours for more than 5 million people.

Sedimentary basins—depressions in Earth's crust caused by tectonic activity—tend to be flat and are favored places to build ...

The next big earthquake may affect the Tri-Valley more than previously expected. New research from Lawrence Livermore ...

Countries including Indonesia, Australia, India, Oman, the United Arab Emirates, Yemen, and others took part in the exercise.

Real estate developers are employing early warning technology that shuts down elevators in their buildings in central Tokyo ...