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 ...

The quake was originally reported as a 4.1 but downgraded a few minutes later. There were reported shakings as far south as ...

The Richter magnitude scale is used to measure the size of earthquakes. Many earthquakes occur around the Pacific Ocean. People who live there, in countries such as Japan, are used to earthquakes ...

Hard to believe but Ohio has already seen more than 80 earthquakes this year. Magnitude scales are used to measure an earthquake's size. Magnitude is a figure typically expressed by a whole number ...