geohazards Flashcards
1
Q
A’A’
A
a mafic lava flow with a rough blocky surface
2
Q
pahoehoe
A
low viscosity lava flow, smooth billowy lobes
3
Q
two greatest threats from volcanos
A
pyroclastic flow and lahars (mudflow)
4
Q
three types of faults
A
normal: diverging, tension
reverse: converging, compression
strike slip: transforming, shearing
5
Q
earthquake waves
A
P waves
S waves
R and L waves (most destructive)