9781422287835

10 SURVIVING NATURAL DISASTERS

A seismograph showing earthquake activity. A seismograph is an instrument that measures the force and direction of earthquakes.

Force of earthquake

Scale

Micro: Cannot be felt, no damage Minor: Rarely felt, little damage Light: Can be felt, minor damage Moderate: Slight to moderate damage Strong: Can cause significant damage Major: Serious, widespread damage

less than 2.0

2.0-3.9 4.0-4.9 5.0-5.9 6.0-6.9 7.0-7.9

Great: Extremely destructive,

with potential to destroy entire communities

8.0-9.9