Monday's major earthquake in Southern California has reignited fears that the 'Big One' is coming , but scientists say it may ...

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

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

In this type of fault, the block of rock above the fault plane, known as the hanging wall, moves downward relative to the block below, called the footwall. Normal faults are typically found at ...