Massachusetts

Comprehensive climate risk and disaster history profile

Billion-Dollar Events

$110.8B

Total Economic Impact

Counties

80.21

Avg Risk Score

Top Natural Hazards

Based on FEMA National Risk Index data across all 14 counties

Hurricane

90.24 Avg Risk Score

Landslide

78.09 Avg Risk Score

Ice Storm

77.17 Avg Risk Score

Drought

76.16 Avg Risk Score

Lightning

73.94 Avg Risk Score

Coastal Flooding

73.22 Avg Risk Score

Earthquake

71.54 Avg Risk Score

Riverine Flooding

68.52 Avg Risk Score

Historical billion-dollar events by category (1980-2024)

winter-storm 8 events

$12.9B

severe-storm 7 events

$10.3B

tropical-cyclone 3 events

$85.0B

flooding 2 events

$2.5B

How disaster frequency and costs have changed over time

Counties with the highest overall risk scores based on FEMA NRI

Rank	County	Risk Score	Risk Rating	SVI Percentile
1	Middlesex	96.12	Relatively High	28.5%
2	Essex	93.95	Relatively Moderate	60.6%
3	Norfolk	92.9	Relatively Moderate	29.6%
4	Suffolk	92.71	Relatively Moderate	78.5%
5	Worcester	92.68	Relatively Moderate	51.0%
6	Plymouth	91.0	Relatively Moderate	30.6%
7	Bristol	89.53	Relatively Moderate	62.3%
8	Barnstable	86.32	Relatively Moderate	12.8%
9	Nantucket	84.63	Relatively Moderate	10.3%
10	Hampden	84.03	Relatively Moderate	81.8%