events that occur as the part of the natutal cycles of earth

events that causes widespread losses

characteristics and circumstances of a community, system, or asset

sudden slip on fault and resulting shaking of the ground

vibration of the ground

tearing of the ground

large waves of seismic sea waves

underground caverns

detonation of nuclear or atomic bomb

mechanical vibrations

travelling across the earth that are produced by earthquakes

2 types of body waves

- waves that push and pull - can travel through solid, liquid, gas

- transverse waves - can travel through solids only

2 types of surface waves

- at the epicentre - most damaging

- elastic solid - spread out most in time

a point within earth where rock under stress breaks (the origin of seismic waves)

above the focus

destructive effects

total amount of the energy released

the process in which volcanic materials, such as molten or hot fragmented rocks and gaseous substances are _____ from volcano

the _______ is specially exposed to the hazards of volcanic eruption because the country is located along the ______ ____ __ ___.

slipping of mass land

can induce landslide

- lossened soil - very intense and long rains during the wet season

during or after an earthquake