Michell determined that earthquakes originate within the Earth and were waves of movement caused by "shifting masses of rock miles below the surface".

Deep earthquakes originate in the subducted plate.

In the most simplistic sense, researchers expect to see the greatest damage nearest to where an earthquake originates.

This earthquake originated some 30 miles below the surface near Olympia, and its depth seems to have mitigated the force suggested by its magnitude, 6.8.

The earthquake originated in an uninhabited desert region.

To this day, it remains the strongest earthquake to originate in Kansas.

No earthquake of any significance has originated in the zone in the past.

Registering a surface wave magnitude of 7.0, the earthquake originated from a highly active seismic zone.

It can be seen that the earthquakes originate from the seismic activity of the Reelfoot Rift.

It is the point where an earthquake or underground explosion originates.