Not every earthquake has a(n)

foreshock
, but every earthquake has
aftershocks
that occur in
places far away from
the mainshock.

1 answer

Not every earthquake has a foreshock, but every earthquake has aftershocks that occur in places close to the mainshock.

Aftershocks are typically smaller earthquakes that follow the main event and occur in the same general area as the mainshock, not far away. They are a natural part of the seismic process as the crust adjusts to the changes in stress and strain caused by the main earthquake.