Add Yahoo as a preferred source to see more of our stories on Google. California's ground is always moving. Most of the time, that movement is too small to notice. But the state sits on one of the ...

Did you know that there are volcanoes on the Izu Peninsula, that earthquake swarms have occurred there repeatedly in the past ...

Whenever there's a series of destructive or notable earthquakes, scientists get asked the same question: Are earthquakes becoming more frequent? Over the past three months, multiple large earthquakes ...

California’s ground is always moving. Most of the time, that movement is too small to notice. But the state sits on one of the most active seismic zones in the world, where constant shifts deep ...

Whenever there’s a series of destructive or notable earthquakes, scientists get asked the same question: are earthquakes becoming more frequent? Over the past three months, multiple large earthquakes ...