Earthquakes can strike almost anywhere. They can strike on land, beneath cities, in remote mountains, and even deep beneath the ocean floor. When an earthquake happens underwater, it's called an ...

Deep beneath the surface, our planet is a reactor, and one of the ways you'll feel this activity is when there's an earthquake. Earthquakes are violent shaking from the planet's surface, according to ...

If the ocean floor had a nervous system, it might look something like this: thousands of miles of fiber-optic cables connected to sensors set atop the fault lines where Japan’s earthquakes begin.