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 ...

II Felt by a few people, especially on upper floors. III Noticeable indoors, especially on upper floors, but may not be recognized as an earthquake. IV Felt by many indoors, few outdoors. May feel ...

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

Earthquakes measuring one to two on the scale happen regularly, and they are so small people cannot feel them. Earthquakes measuring upwards of seven are less frequent but very powerful and can ...

Light shaking from the earthquake was felt as far south as Rhode Island, according to the USGS. Monday's earthquake, which ...

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 ...

Shockwaves from a 3.8 magnitude earthquake off the coast of Maine could be felt across Franklin County Monday. According to ...