Volcanoes Flashcards
(11 cards)
1
Q
Why does magma from?
A
Decompression melting
Addition of volatiles
Addition of heat
2
Q
What controls eruption characteristics?
A
Silica content
Temperature
Viscosity
Gas content
3
Q
Name the eruption hazards?
A
Lava flows Pyroclastic debris Pyroclastic flows/surges Ash fall Poisonous gas Lahars
4
Q
How do pyroclastic flows form?
A
Sourfriere-type
Pelee-type
Merapi-type
5
Q
Volcanic hazard mitigation
A
Hazard maps Seismic activity Deformation monitoring Gas monitoring Education and communication
6
Q
Ash fall reference
A
Wilson et al, 2015
7
Q
Laacher See eruption reference
A
Baales, 2001
8
Q
Laki fissure eruption reference
A
Grattan and Charman, 1994
9
Q
SO2 monitoring reference
A
Mori and Burton, 2006
10
Q
Volcanic interruption reference
A
Brown et al, 2015
11
Q
Krakatau refernce
A
Francis, 1985; Giachetti et al, 2012
