Coastal Hazards Program News Today

Coastal Alaska communities from the Yukon-Kuskokwim Delta northward will see more of their buildings exposed to flooding by 2100 if they continue developing at the same location, according to new research.

Erosion is threatening coastal communities around the state, but until now it hasn’t been clear to what extent. A study published in November 2021 by the state’s Coastal Hazards Program forecasts how much land erosion could wipe away in 48 of Alaska’s coastal communities. It’s the most comprehensive erosion assessment ever done in the state, and the results are both surprising communities and helping them receive funding to adapt.

Erosion is threatening coastal communities around the state, but until now it hasn’t been clear to what extent. A study published in November 2021 by the state’s Coastal Hazards Program forecasts how much land erosion could wipe away in 48 of Alaska’s coastal communities.

“I had no idea that by 2039 to 2059 it would go that far,” said Leo Mahaney, who leads Nunam Iqua's environmental department. “Moving houses and all that water line infrastructure. I know it's not going to be cheap.”