Aftershocks are smaller than the original earthquake. "As a general rule, aftershocks represent minor readjustments along the portion of a fault that slipped at the time of the mainshock. The ...

It is possible the Southeast will feel an earthquake aftershock in the coming ... aftershock within a year An earthquake jolted East Tennessee Saturday morning, according to the U.S. Geological ...

It is possible the Southeast will feel an earthquake aftershock in the coming ... a fault that slipped at the time of the mainshock. The frequency of these aftershocks decreases with time ...

A 4.1 magnitude earthquake surprised East Tennessee, raising questions about dogs' ability to sense seismic activity.