Earthquake Magnitude Scale Magnitude Earthquake Effects Estimated Number Each Year 2.5 or less Usually not felt, but can be recorded by seismograph. Millions 2.5 to 5.4 Often felt, but only causes ...

A minor, 3.0-magnitude earthquake struck in Virginia on Tuesday, 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 ...

A strong, 6.2-magnitude earthquake struck in the Sea of Marmara on Wednesday, according to the United States Geological Survey. The temblor happened at 12:49 p.m. Eastern European time about 25 miles ...

Earthquakes are becoming increasingly frequent. On Sunday morning, four earthquakes struck parts of India, Myanmar, and Tajikistan within just one hour, sending tremors across central and South Asia.