Earthquakes and seismic activity often happen with sudden movements underground with tectonic plates. Seismographs are used by scientists to measure the time, location and strength of an earthquake.

Anxiety isn’t an all-or-nothing feeling and can have different levels of intensity. Sometimes you might feel just a little anxious, other times you might feel extremely anxious. It can be hard to ...

There are a number of ways to measure the magnitude of an earthquake. Most scales are based on the amplitude of seismic waves recorded on seismometers. These scales account for the distance between ...

A recent study joins a growing chorus of calls for experts to adopt a new intensity scale to rank the power of hurricanes. The current Saffir-Simpson Hurricane Wind Scale (SSHWS) only takes into ...

Anxiety is often not an all-or-nothing feeling. Just like other emotions, anxiety exists along a continuum with different levels of intensity. You can picture this continuum using the anxiety ...