GL3 Flashcards
1
Q
What are the ways to predict an earthquake?
A
Animal behaviour
Foreshocks
Release for radon
2
Q
Case study for prediction of earthquakes
A
China 1975
Series of foreshocks lead to damage so population was mostly evacuated
7.3 magnitude.
Did not do the same the next year
Thousands died
7.8 magnitude
3
Q
What effect does depth have?
A
Deeper earthquakes are less dangerous
4
Q
Earthquakes around volcanos
A
Yellowstone national park
Over 1000 earthquakes a year
Magma moving underground
Imminent eruption
5
Q
Factors that effect the damage a geological hazard does
A
Population size Building type Economy Social influences - are people sympathetic? Levels of planning/prediction