Hazard Score
0 Catastrophes Recorded
Unalaska, Alaska
1 Land Tracts in Aleutians West Census Area , Fox Islands Watershed
Unalaska, Alaska has a very low overall natural disaster and climate risk rating, with relatively low earthquake risk but a relatively high risk of tsunamis. The city is located on the Fox Islands in the Aleutians West County, which are part of the Pacific Ring of Fire known for seismic and volcanic activity. The region's proximity to subduction zones and fault lines increases the likelihood of earthquakes and volcanic eruptions, which can trigger tsunamis that pose a significant threat to coastal communities like Unalaska.
The city's location on Unalaska Island also exposes it to harsh weather conditions, including strong winds and storms that can impact maritime activities and infrastructure. Unalaska's coastal geography and mountainous terrain further increase its vulnerability to landslides and flooding during extreme weather events. The city's reliance on fishing and shipping industries, as well as its limited evacuation routes, heighten the risks associated with tsunamis and severe weather in this remote island setting.
Despite the relatively low historical frequency of major natural disasters in Unalaska, the region's unique geological features and climate factors present ongoing hazards that could lead to significant impacts on the local community. Preparedness and mitigation efforts are essential for ensuring the safety and resilience of Unalaska against potential natural disasters in the future.
HAZARDS
0
Power Transmission Lines
0
Coastlines
2
Water Bodies
0
Fault Lines
EMERGENCY SERVICES
2
Hazard Shelters
1
Fire Stations
1
Hospitals
1
Police Stations
COMMUNITY PROFILE
Aleutians West, Alaska, has a very low overall natural disaster risk rating, with a risk score of 35.22. The area is relatively moderate in terms of social vulnerability, with a SOVI score of 49.59, indicating a moderate level of vulnerability to disasters. The most significant hazard risk in the region comes from earthquakes, with a relatively low risk rating of 89.85 due to the frequency and potential impact of seismic events.
The area is also at a relatively high risk of tsunamis, with a risk rating of 95.95, as a result of the high frequency of tsunami events in the region. Additionally, the region has a moderate risk of volcanic activity, with a risk rating of 68.54, due to the presence of nearby fault lines and volcanic peaks. The risk of flooding and strong winds is relatively low, with risk ratings of 0, indicating minimal expected annual losses from ...
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