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Know Your Ground

County Data

Honolulu County, Hawaii

Self-reliance and preparedness data for Honolulu County

Relatively High

Hazard Risk (23.0/100)

Excellent

Solar (5.7 kWh/m²/day)

Natural Hazard Risks in Honolulu County

HazardRisk RatingScore
TsunamiVery High100.0
EarthquakeRelatively High22.9
Riverine FloodingRelatively Moderate17.7
Ice StormRelatively Low9.5
HailRelatively Low7.4

Source: FEMA National Risk Index. Scores 0–100, higher = more risk.

Climate Profile

Temperature & Growing Season

January Avg73°F

Water & Energy

Annual Precipitation14.3
Solar Potential5.7 kWh/m²/day
Wind Speed5.8 m/s
Soil TypeClay

Local Species

44

Edible species

20

Medicinal species

62

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Honolulu County, Hawaii?
Honolulu County has an overall hazard rating of Relatively High based on FEMA National Risk Index data. The top threats are Tsunami, Earthquake, Riverine Flooding. Each hazard is scored 0–100 by likelihood and expected impact.
Is Honolulu County good for solar power?
Honolulu County has a excellent solar rating. Solar potential is based on average daily irradiance (kWh/m²/day), which determines how much energy rooftop or ground-mounted panels can produce year-round.
How many edible plants grow in Honolulu County?
Our database identifies 44 edible plant species in Honolulu County based on regional flora data, USDA hardiness zone, and iNaturalist observations. The full field guide includes identification notes, preparation methods, and seasonal availability.
What is the autonomy score for Honolulu County?
Honolulu County has an autonomy score of 62. This composite score measures local self-reliance potential across water access, food production capacity, energy resources, and supply chain resilience. Higher scores indicate greater potential for self-sufficiency.

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