A magnitude 4.4 earthquake hit Southern California on Thursday morning, according to the U.S. Geological Society.

A powerful quake off Russia's coast may have set off a chain reaction across the Ring of Fire, raising the risk of an ...

This footage shows lava flowing from the Kilauea volcano, Hawaii, as one citizen decided to record the eruption. She said: ...

Largest active volcano in the northern hemisphere began erupting on Wednesday afternoon following the huge earthquake in Russia's far east.