Natural Disasters in Cascadia, OR

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

88.1

Relatively Moderate

Expected Annual Loss

88.0

Score (0-100)

Social Vulnerability

41.3

Score (0-100)

Community Resilience

62.0

Score (0-100)

Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.

Disaster History & Federal Spending

Source: FEMA

Total Declarations

Public Assistance

$12.8M

Individual Assistance

$1.1M

Most Common Type

Severe Storm

8 declarations

Public Assistance by Category

Disaster	Type	Date	PA $	IA $
Severe Winter Storms, Straight-line Wind… →	Severe Storm	Apr 2024	$579K	—
Severe Winter Storm →	Severe Storm	May 2021	$158K	—
Wildfires and Straight-line Winds →	Fire	Sep 2020	$4.2M	$1.1M
Wildfires →	Fire	Sep 2020	—	—
Beachie Creek Lionshead Fire Complex →	Fire	Sep 2020	—	—
Covid-19 Pandemic →	Biological	Mar 2020	$4.3M	$1K
Covid-19 →	Biological	Mar 2020	—	—
Severe Storms, Flooding, Landslides, and… →	Flood	Jul 2019	$271K	—
Severe Winter Storms, Straight-line Wind… →	Severe Storm	Feb 2016	$1.3M	—
Severe Winter Storm →	Severe Storm	Apr 2014	$171K	—
Severe Winter Storm, Flooding, Landslide… →	Flood	Mar 2012	$1.1M	—
Severe Storms, Flooding, Landslides, and… →	Severe Storm	Mar 2006	$556K	—
Hurricane Katrina Evacuation →	Coastal Storm	Sep 2005	—	—
Severe Winter Storms →	Severe Storm	Feb 2004	$96K	—
Or-booth Fire-8-19-2003 →	Fire	Aug 2003	—	—
Severe Winter Storm With High Winds →	Severe Storm	Mar 2002	$201K	—
Severe Storms and High Winds →	Severe Storm	Mar 1996	—	—
High Winds, Severe Storms and Flooding →	Flood	Feb 1996	—	—
Severe Storms & Flooding →	Flood	Jan 1972	—	—
Heavy Rains & Flooding →	Flood	Dec 1964	—	—

PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

136

Total Claims Paid

$1,757,163

Avg Claim Payout

$12,920

County-level NFIP data from FEMA National Flood Insurance Program.

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$2,015,035

Properties Protected

Avg Benefit-Cost Ratio

2.30

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
100.1: Public Awareness and Education (Brochures, Workshops, Videos, etc.); 400.1: Utility Protective Measures (Electric, Gas, etc.)	3	$97,760
205.4: Non Structural Retrofitting/Rehabilitating Public Structures - Seismic	2	$294,142
200.1: Acquisition of Private Real Property (Structures and Land) - Riverine; 202.1: Elevation of Private Structures - Riverine	1	$168,781
405.1: Other Minor Flood Control	1	$14,763
205.6: Structural Retrofitting/Rehabilitating Public Structures - Seismic	1	$914,822

Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.

Cascadia has a relatively moderate overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are earthquake, volcanic activity, strong wind. The area has had 20 federal disaster declarations. The most common disaster type is severe storm (8 declarations). 136 flood insurance claims have been filed in the area. FEMA has obligated $12,797,232 in public assistance recovery funding. $1,115,383 has been distributed in individual assistance to disaster-affected residents. 13 hazard mitigation projects have been funded to reduce future risk.