earthquakes

A big earthquake at Ridgecrest could trigger the Garlock fault, which would in turn trigger the San Andreas.

The India-Australia-Capricorn plate is breaking up at a rate of about 2 millimeters a year.

Fluid pressures in the Cascadia subduction zone are linked to regular, imperceptible earthquakes.

The lost continent of Zealandia underwent changes as subduction began around the western Pacific.

Multiple strong and damaging earthquakes are wreaking havoc on Puerto Rico. And geoscientists forecast dozens more strong aftershocks are likely in the area.

Planet Earth went through its fair share of upheavals in 2019, from earthquakes to volcanic eruptions to alterations caused by human activity.

It seems that at some point after astronauts visited the moon, a powerful moonquake sent boulders tumbling across the lunar surface. Here's what they tell us.

A gaping hole in a dying tectonic plate beneath the ocean along the West Coast of the United States may be wreaking havoc at Earth's surface, but not in a way most people might expect.

A mud-volcano island that burst from the waters off the coast of Pakistan during a deadly earthquake in 2013 has disappeared beneath the waves.