Sinkholes have also developed in the area in the far south of the state.
A major landslide in the city of Ketchikan, Alaska, killed one person and injured three on Sunday, with the governor, borough mayor and city mayor have all issued emergency declarations.
The landslide came as a heavy rain front moving across Alaska and there are fears of secondary landslides to follow.
As a disaster was declared, 3rd Avenue, 2nd Avenue, 1st Avenue, and White Cliff Avenue were evacuated.
Homes and infrastructure were damaged by the landslide, the Ketchikan Gateway Borough and City of Ketchikan said in a joint statement Sunday.
Two people were hospitalized, with one was treated and released. All other individuals have been accounted for, the statement said.
A potential secondary landslide area was identified to the south of the original slide location and crews were standing by, according to the Ketchikan Gateway Borough and City of Ketchikan.
Mud running under pavements also created some sinkholes around the area.
Power was lost and restored to some affected areas by 8:15 p.m.
Other areas will remain without electricity while the landslide is cleared and broken power poles are replaced, the borough and city said.
