earthquake hazards Flashcards
(11 cards)
This is caused by
a sudden slip on a fault.
Earthquake
The ________ are always
slowly moving, but they get stuck
at their edges due to friction.
tectonic plates
5 Earthquake-related Hazards
I. Ground Shaking
II. Ground Rupture
III. Tsunami
IV. Liquefaction
V. Earthquake-induced Landslide
a disruptive up-down sideways
movement or motion experienced during earthquake.
Ground Shaking
a displacement on the ground due to
movement of fault
Ground Rupture
Sea waves resulting from the disturbance of the ocean floor by an earthquake
Tsunami
A tsunami is commonly generated by disturbances associated
with earthquakes occurring below or near the ocean floor
tsunami
wind-generated waves on the surface of the sea
storm surges
It is a process that transforms the behavior of a body of sediments from that of a solid to that of a liquid when subjected to extremely intense shaking.
Liquefaction
Signs of an impending Tsunami
I. Strong Shaking, Earthquake
II. Sea will withdraw. Rapid lowering of sea level or noticeable rise and fall of coastal water.
III. Unusual rumbling sound of approaching
waves
________________ provide important information to help people
understand the risks of natural hazards and to help mitigate disasters.
Hazard maps