The order of events during an earthquake...
Main shock, foreshock, aftershock
Foreshock, aftershock, main shock
Foreshock, main shock, aftershock
Aftershock, mainshock, foreshock
The Richter Scale is measured from
1 - 10
1 - 12
The Mercalli Scale is measured from
1 -12
In order of destructive ability
Deep earthquakes, Intermediate earthquakes, Shallow earthquakes
Shallow, deep, intermediate
Shallow, intermediate, deep
Earthquake waves that move back and forth very fast and do little damage
P waves
S waves
Surface waves
Earthquake waves that move up and down and are slower moving
The slowest waves that moves up and down and from side to side. They do the most damage