EARTHQUAKE
HURRICANE
ERUPTION
TSUNAMI
TORNADOES
WEATHERING
EROSION
CRUST
CHANGES
FAST
SLOW
C
E
E
T
S
U
N
A
M
I
O
H
A
C
R
U
S
T
H
Z
A
E
A
R
T
G
T
N
C
J
A
N
R
N
T
B
O
A
B
E
E
A
A
U
G
H
E
A
R
R
S
C
U
W
P
E
Q
E
R
K
N
I
P
T
L
T
S
U
S
I
O
R
A
S
U
T
I
F
A
P
L
R
S
A
D
M
M
O
I
K
Y
U
O
F
I
J
O
O
N
B
E
H
E
E
W
E
O
P
E
Q
W
E
A
T
H
E
R
I
N
G
S