An earthquake is the perceptible shaking of the surface of the Earth, resulting
from the sudden .... Most earthquakes form part of a sequence, related to each
other in terms of location and time. Mo...
Apr 7, 2016 ... An earthquake is what happens when two blocks of the earth suddenly ... part of
the seismograph and the motionless part is what is recorded.
You are free to move around from one part of the lesson to another by clicking on
... An earthquake is the shaking of the earth caused by pieces of the crust of the ...
First there are body waves, which are seismic waves that travel in the ground,
originating from the focus, or the starting point of the earthquake. Above the body
The vibrating waves travel away from the focus of the earthquake in all directions.
The waves can be so powerful they will reach all parts of the Earth and cause it ...
An earthquake is caused by a sudden slip on a fault, much like what happens
when you snap your ... Part of living with earthquakes is living with aftershocks.
Seismologists examine the parts of an earthquake, such as the slip of the fault
that causes it, what happens to the earth's surface during an earthquake, how the
Earthquakes are well known for the damage and destruction they leave behind.
But what is an earthquake? In this video lesson you will learn about...
Earthquake shaking and damage is the result of three basic types of elastic ... not
spring back, hence S waves cannot propagate in the liquid parts of the earth, ...
Nov 22, 2016 ... CUSHING, Okla. - Two earthquakes recorded within one minute of each other
have shaken an area in north-central Oklahoma near the site ...