EARTHQUAKES
introduction
history
harry fielding reid
plate tectonics
continental drift
divergent boundaries
convergent boundaries
transform boundaries
"ring of fire" zone
measurement
Mercalli scale
predictions
Probability Map
the effect of an earthquake
earthquake safety
conclusion
references
Mercalli scale
introduction
history
harry fielding reid
plate tectonics
continental drift
divergent boundaries
convergent boundaries
transform boundaries
"ring of fire" zone
measurement
Mercalli scale
predictions
Probability Map
the effect of an earthquake
earthquake safety
conclusion
references