Earthquakes produce multiple types of seismic waves. This forms the basis for early warning systems, like ShakeAlert.

If you live in Southern California, there is an ever-present fear about the inevitable “Big One,” the quake that seismologists say is coming, it’s just a matter of time. That’s the implication of a ...

A magnitude 6 earthquake has hit Afghanistan near its border with Pakistan, killing more than 1,400 people, according to the government. Flooding and debris have hampered rescue efforts. At 11:47pm ...

Chances are, you still believe this outdated earthquake-safety advice. Here's what you should do instead when the shaking ...

All earthquakes have a different magnitude, which can determine what people close to the epicenter will feel. We take a look at what the different levels on the scale mean and the physical effects ...

Surprisingly, they found that only around 10% of a quake’s energy causes the physical shaking most people associate with ...