Zhouqu and Sumatran-Andaman Earthquake Flashcards
(6 cards)
Give info on Zhouqu
Developed 1960
On alluvial fan
Give info on aug 7 2010 debris flow
Rainfall 80-800mm/hr
Affected 10,000-5,000,000
Killed 20-1000 people
Lake formed behind landslide dam at the river
Seismically active area
Give info on Zhouqu debris flow damage
Rapid lateral attenuation
Marginal damage confined to lower floors
Damage in main flow was total, no exceptions
Give info on debris source and journey
Scree
Rockfalls
Debris flows
2700m
Debris in channel base picked up
Acceleration at cliffs
Give info Sumatran Andaman earthquake
26 Dec 2004 7:56am
Mag 9-9.3
rupture 160km north of sumatra, 1600km long
30 km3 water displaced
1or2 principal wave, 2-4 secondary
Give sumatran earthquake and tsunami death toll
Total 229,866
Indonesia 167k
Sri lanka 35k
India 18k
Thai 8.2k
