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Legend (MtHoodViewer/HazardLyrs)

Channel migration hazard zone (100-year) (1)
Flood hazard zone (25-year) (2)
Flood hazard zone (500-year) (3)
Large, deep-seated landslide Inventory (5)
Debris flow deposit Inventory (6)
Steep slope hazard zone (7)
Proximal hazard zones (9)
PA (500- to 1,000-year)
PB (10,000-year)
Lahar hazard zone (10-year) (10)
Lahar hazard zone (100-year) (11)
Lahar hazard zone (500- to 1,000-year) (12)
Lahar hazard zone (1,000- to 10,000-year) (13)
Lahar hazard zone (100,000-year) (14)
Historic earthquake epicenter (1896-2008) (16)
5 - 7 Magnitude
3 - 5
2 - 3
1 - 2
0 - 1
Fault hazard zones (1/4 mile buffer active faults) (17)
Liquefaction hazard zone (18)
Low
Moderate
High
Shaking hazard zone (500-year) (19)
Strong (Mercalli intensity scale VI)
Very strong (Mercalli intensity scale VII)
Violent (Mercalli intensity scale VIII)