When Julian Lozos visited the site of the 2019 Ridgecrest earthquakes two days after the event, he noticed something strange.

Learn how the boundaries of the magma chamber beneath Yellowstone have been located, and discover how these boundaries hint at the volcano's future behavior.

People from inland San Diego County to the Los Angeles County coast felt the earth move beneath them Monday morning when a ...

But for busy people, here’s a summary of things you should know about what to do before, during and after an earthquake in Japan. If you’re on public transport: Follow the same guidelines ...