Natural Disasters in Sun Valley, NV

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

96.7

Relatively High

Expected Annual Loss

97.2

Score (0-100)

Social Vulnerability

23.3

Score (0-100)

Community Resilience

41.8

Score (0-100)

Top Hazard Risks

Earthquake99.2Winter Weather99.0Wildfire99.0

Hazard	Risk Score
Earthquake	99.2
Winter Weather	99.0
Wildfire	99.0
Lightning	90.9
Landslide	90.1
Avalanche	84.4
Ice Storm	80.7
Volcanic Activity	78.5
Strong Wind	71.0
Hail	59.0
Heat Wave	58.4
Drought	50.5
Tornado	14.3
Cold Wave	2.2

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

Most Recent

Fire

Aug 2025

Most Common Type

Fire

37 declarations

Date	Type	Declaration
Aug 2, 2025	Fire	PEAVINE FIRE
Jun 10, 2025	Fire	MARIE FIRE
Nov 11, 2024	Fire	CALLAHAN FIRE
Sep 7, 2024	Fire	DAVIS FIRE
Aug 12, 2024	Fire	GOLD RANCH FIRE
Jun 12, 2024	Fire	SULLIVAN FIRE
Jun 11, 2024	Fire	TRAIL FIRE
Aug 14, 2022	Fire	JOY LAKE FIRE
Nov 17, 2020	Fire	PINEHAVEN FIRE
Aug 15, 2020	Fire	LOYALTON FIRE
Aug 3, 2020	Fire	NORTH FIRE
Jul 21, 2020	Fire	ROCKFARM FIRE
Jun 27, 2020	Fire	POEVILLE ROAD FIRE
Apr 4, 2020	Biological	COVID-19 PANDEMIC
Mar 13, 2020	Biological	COVID-19
Aug 24, 2019	Fire	LONG VALLEY FIRE
Jul 13, 2019	Fire	JASPER FIRE
Jul 14, 2017	Fire	COLD SPRINGS FIRE
Mar 27, 2017	Severe Storm	SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Feb 17, 2017	Severe Storm	SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES

Showing 20 of 48 declarations

Individual Assistance

Source: FEMA Housing Assistance

Total IA Registrations

456

Total IA Distributed

$1,766,528

Disaster	Registrations	Total IA $	Avg Damage
DR-4523	456	$1,766,528	—

Individual and household assistance for homeowners and renters affected by federally declared disasters.

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

752

Total Claims Paid

$30,871,006

Avg Claim Payout

$41,052

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

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$37,502,616

Disasters with PA

Total Projects

373

Disaster	Type	Projects	Federal $
DR-4523	Biological	34	$21,062,087
DR-4303	Severe Storm(s)	90	$7,656,190
DR-1629	Severe Storm(s)	210	$4,105,979
DR-4307	Severe Storm(s)	9	$2,471,926
DR-3204	Snow	14	$1,340,626
DR-3202	Snow	13	$805,375
DR-3243	Hurricane	3	$60,432

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$23,219,375

Properties Protected

Avg Benefit-Cost Ratio

40.95

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
300.2: Vegetation Management - Wildfire	5	$86,301
200.1: Acquisition of Private Real Property (Structures and Land) - Riverine	4	$2,916,763
500.2: Flood Control - Berm, Levee, or Dike	2	$130,239
91.1: Local Multihazard Mitigation Plan	2	$120,907
904.2: Advance Assistance (FMA and PDMC)	2	$397,605

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

Sun Valley has a relatively high overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are earthquake, winter weather, wildfire. The area has had 48 federal disaster declarations. The most common disaster type is fire (37 declarations). 752 flood insurance claims have been filed in the area. FEMA has obligated $37,502,616 in public assistance recovery funding. $1,766,528 has been distributed in individual assistance to disaster-affected residents. 32 hazard mitigation projects have been funded to reduce future risk.