A moderately strong, 5.7-magnitude earthquake struck in the Philippines on Thursday, according to the United States ...

The strength of an earthquake is based on the logarithmic Richter scale. April 2023's magnitude 4.8 earthquake was 251 times bigger than Friday's magnitude 2.4 earth ...

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 ...

A strong, 6.8-magnitude earthquake struck off the coast of southern Japan on Monday, according to the United States ...

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 ...