Natural Disasters in Butte-Silver Bow (balance), MT

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

38.0

Very Low

Expected Annual Loss

49.4

Score (0-100)

Social Vulnerability

17.0

Score (0-100)

Community Resilience

62.9

Score (0-100)

Top Hazard Risks

Winter Weather92.4Landslide90.4Earthquake87.4
HazardRisk Score
Winter Weather92.4
Landslide90.4
Earthquake87.4
Cold Wave81.9
Wildfire80.7
Lightning61.9
Avalanche43.0
Hail27.2
Drought14.5
Heat Wave13.9
Ice Storm13.5
Strong Wind10.0
Tornado9.8

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

Disaster Declarations

Source: FEMA OpenFEMA

Total Declarations

7

Most Recent

Biological

Mar 2020

Most Common Type

Biological

2 declarations

DateTypeDeclaration
Mar 31, 2020BiologicalCOVID-19 PANDEMIC
Mar 13, 2020BiologicalCOVID-19
Sep 13, 2005HurricaneHURRICANE KATRINA EVACUATION
Aug 30, 2000FireWILDFIRES
Aug 5, 2000FireMT-SOUTHWESTERN ZONE TWO FIRE COMPLEX
Feb 23, 1996Severe StormSEVERE STORMS, FLOODING, AND ICE JAMS
May 27, 1981FloodSEVERE STORMS & FLOODING

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

10

Total Claims Paid

$8,245

Avg Claim Payout

$824

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

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$10,453,263

Disasters with PA

1

Total Projects

11

DisasterTypeProjectsFederal $
DR-4508Biological11$10,453,263

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

5

Federal Funding

$376,573

Avg Benefit-Cost Ratio

0.54

BCR

Top Mitigation Project Types

Project TypeProjectsFederal $
91.1: Local Multihazard Mitigation Plan3$260,329
403.1: Stormwater Management - Culverts1$116,244
401.1: Water and Sanitary Sewer System Protective Measures1$0

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

Butte-Silver Bow (balance) has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are winter weather, landslide, earthquake. The area has had 7 federal disaster declarations. The most common disaster type is biological (2 declarations). 10 flood insurance claims have been filed in the area. FEMA has obligated $10,453,263 in public assistance recovery funding. 5 hazard mitigation projects have been funded to reduce future risk.