City of Rio Dell
NEHRP Soil Class
City Limits
] Humboldt County
Soil Type
C - Hard Soil
D - Soft Soil
/101
ОРИПНІ
0.2 0.4 0.8
Miles
TETRA TECH
-105-
City of Rio Dell
Big Lagoon-Bald M7.9 (2017)
ShakeMap Scenario
City Limits
Humboldt County
Instrumental Intensity Scale
(Potential Damage/Perceived
Shaking)
V (Very Light/Moderate)
VI (Light/Strong)
VII (Moderate/Very Strong)
VIlI (Moderate-Heavy/Severe)
IX (Heavy/Violent)
SWAH TO
Use Hom the Redwoode
0.2 0.4 0.8
Miles
TETRA TECH
- 106-
City of Rio Dell
Cascadia Megathrust M9.3
(2017)
ShakeMap Scenario
City Limits
Humboldt County
Instrumental Intensity Scale
(Potential Damage/Perceived
Shaking)
VII (Moderate/Very Strong)
VIlI (Moderate-Heavy/Severe)
MC HUNG
0.2 0.4 0.8
Miles
TETRA TECH
-107-
City of Rio Dell
Little Salmon Onshore M7.1
(2017)
ShakeMap Scenario
City Limits
Humboldt County
Instrumental Intensity Scale
(Potential Damage/Perceived
Shaking)
V (Very Light/Moderate)
VI (Light/Strong)
VII (Moderate/Very Strong)
VIlI (Moderate-Heavy/Severe)
IX (Heavy/Violent)
OF HUME
Sue of the Relucas
0.2 0.4 0.8
Miles
TETRA TECH
- 108-
City of Rio Dell
Mad River Trinidad Alt2 M7.5
(2017)
ShakeMap Scenario
City Limits
Humboldt County
Instrumental Intensity Scale
(Potential Damage/Perceived
Shaking)
V (Very Light/Moderate)
VI (Light/Strong)
VII (Moderate/Very Strong)
VIlI (Moderate-Heavy/Severe)
IX (Heavy/Violent)
0.2 0.4 0.8
Miles
TETRA TECH
-109-
City of Rio Dell
Russ M7.4 (2017)
ShakeMap Scenario
City Limits
Humboldt County
Instrumental Intensity Scale
(Potential Damage/Perceived
Shaking)
V (Very Light/Moderate)
VI (Light/Strong)
VII (Moderate/Very Strong)
VIII (Moderate-Heavy/Severe)
SAY C HUNG
S
0.2 0.4 0.8
Miles
TETRA TECH
-110-
City of Rio Dell
Flood Zones
City Limits
Humboldt County
100-Year Flood Boundary
500-Year Flood Boundary
SWAH 10
The Hom of the Redwoods
0.2 0.4 0.8
Miles
m l
TETRA TECH
-111-
City of Rio Dell
Landslide Susceptibility
City Limits
¡ Humboldt County
Susceptibility to Landslides
Low
Moderate
High
OF HUMB
D
0.2 0.4 0.8
Miles
Ш
TETRA TECH
- 112-
City of Rio Dell
Tsunami Inundation
City Limits
Humboldt County
Tsunami Inundation Zones
OF HUMP
U
0.2 0.4 0.8
Miles
Ш
TETRA TECH
- 113-
City of Rio Dell
Wildfire Risk
City Limits
Humboldt County
Fire Hazard Severity Zones
Moderate
High
Very High
101
OF HUME
The Hom of the Redwoode
0.2 0.4 0.8
Miles
TETRA TECH
-114-
City of Rio Dell
Sea Level Rise
City Limits
Humboldt County
Sea Level Rise Zones
Humboldt Bay 200cm MMMW SLR
NOAA SLR 3ft
NOAA SLR 8ft
NTY OF HUMB
0.2 0.4 0.8
Miles
TETRA TECH
- GIT-