SE
Altitude, in meters
2,600
NW
February 1, 2005
2289 m
2,200
Seattle Space
Needle
New dome
summit
Empire State
Building
Glacier
surface, 2000
1980-1986
dome
2,000
1,800
Crater rim
July 14, 2005
2367 m
2,400
0
500
1,000
Glacier bed
1980 crater
floor
1,500
Distance, in meters
VOLCANO DEFORMATION–Geodetic Monitoring Techniques
By Daniel Dzurisin
U.S. Geological Survey graphics