There are a bunch of little earthquakes every minute. We don't even feel them! They don't cause any damage. The only way we know about these earthquakes is because seismographs (instruments used to detect seismic waves) detect the waves underground.
An 8.5 Earthquake is MUCH larger and does more damage.
alot
nothing at all
A lot
lots
they nead to calculate the frequesy of earthquake and see how much damage and how big
The Mercalli scale would be used to damage earthquake damage.
It means how much damage it causes.
Intensity
Mercalli Scale
it destroyed many home
The earthquake caused an estimated $20 billion in damage.