A minor, 2.3-magnitude earthquake struck in Connecticut on Wednesday, according to the United States Geological Survey. The ...

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 ...

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 ...