the vibration of earth produced by the rapid release of energy
the point within earth where the earthquake starts
the tendency for the deformed rock along a fault to spring back after an earthquake
a small earthquake that follows the main earthquake
is a small earthquake that often precedes a major earthquake
traces of amptified electronically record ground motion made by seismographis
a measurement system derived from the amout of displacement of the earthquake
when an earthquake occurs where a slab of the ocean floors displaced uercally along a fault
thin rocky outer layer of earth
the soild rocky area below the crust
layer of the earth that consists of the earth that consists of the crust and water part of the mantle
layer of the earth lust below the lithestere that is sofer
the layer of the earth just below the mantle mode of more soild material
a bolndory seperating the crust from the mantle