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Flashcards in Earthquake Hazards and Predictions Deck (17)
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1

What are the three types of hazards?

1. primary
2. secondary
3. Tertiary

2

______ hazards are the hazards associated most directly with the natural disaster

primary

3

Primary hazards are associated
_______ with the natural disaster

directly

4

_______ hazards result from primary hazards

secondary

5

what is a primary hazard of an earthquake?

- shaking of ground
- causes collapse of structures

6

What are secondary hazards of earthquakes?

- landslides
-fires
- Ground liquefaction
- Tsunamis

7

which type of hazard resulting from an earthquake causes the most damage and causalities?

secondary hazards

8

What is liquefaction?

when soil behaves as a liquid because it is shaking

9

Can we predict earthquakes, can we look at the foreshock sequence and see if there is a bigger one coming?

No, as of right now there is no reliable short term prediction

10

It is hard to tell that earthquakes are ______ until you have the big one

foreshocks

11

Sometimes the fact that there are numerous small earthquakes along the fault is a good sign which would signal that the fault is releasing ______ in numerous small earthquakes instead of one big one

energy

12

what is paleoseismology?

the study of ancient earthquakes through geologic evidence

13

why are numerous small earthquakes sometimes a good sign?

good sign which would signal that the fault is releasing energy in numerous small earthquakes instead of one big one

14

long-term forecasting is based on the hypothesis that...

earthquakes are recurring events

15

long-term forecasting is based on the understanding of...

tectonic disturbances

16

Short-term prediction is no _____ or ______

accurate, reliable

17

long-term forecasting can be reliable in terms of estimating and areas _______ to earthquakes

susceptibility