Managing a seismic hazard Flashcards
1
Q
What are attempts based to predict based on?
A
monitoring groundwater levels, release of radon gas and unusual animal behaviour
2
Q
How is a hazard zone map produced?
A
areas being mapped on geological info and studies into ground stability
3
Q
What can close studies of fault lines do?
A
indicate the point along a fault where the next earthquake may occur
4
Q
What did a study of the events along the San Andreas Fault do?
A
indicated the existence of a seismic gap
5
Q
What is trying to prevent an earthquake?
A
impossible
6
Q
What does the FEMA have in place for protection in the USA?
A
- education on earthquakes
- identify earthquake risks better
- improve quake-resistant design
- quake safe policies
7
Q
What can buildings be designed to be?
A
aseismic
8
Q
What ways can buildings be made aseismic?
A
- large concrete weight on top which will move with help of computer in opposite direction to force of quake
- large rubber shock absorbers
- cross bracing to structure
