Volcanic Eruption Flashcards
1
Q
Mixtures of hot gas, ash, and volcanic rocks
A
Pyroclastic flows
2
Q
Result of depressurization triggered by an earthquake-initiated landslide
A
Directed blast
3
Q
Ejects rock fragments
A
Tephra and Ballistic projectile
4
Q
Low density flow of volcanic material that has a higher ratio of gas than rock
A
Pyroclastic surge
5
Q
Fastest flowing lava, low viscosity. Shield Volcanoes
A
Basaltic Lava Flow
6
Q
Strata Volcanoes, small
volume
A
Andesitic Lava Flow
7
Q
Higher viscosity than the other two
A
Rhyolitic Lava Flow
8
Q
from debris, from pyroclastic, from natural dam failure
A
Lahar
9
Q
Type of Lahar related directly with volcanic eruption
A
P Lahar
10
Q
Cause by heavy rain fall
A
S Lahar