Decades have passed and ponds are drying up.
Unusually rainy year for Lower Kalskag this year.
Long-term consequences.
Coastal erosion near Cape Blossom
When 200 million metric tons of rock tumbled down a remote Southeast Alaska mountain in October, nobody was around to see it. But thanks to a beefed-up seismic network and a new system that can distinguish landslides from earthquakes, scientists knew it had happened.
High rainfall this month is being blamed for a major landslide near Sitka. The US Forest Service reports that a 100-acre slide came down in the Starrigavan Valley, about ten miles from town. The slide, and water damage to an ATV trail in the valley and other hiking trails elsewhere in Sitka -- all add up to a tough month for the agency.
Early fall weather conditions brought on an extreme storm surge in a Norton Sound community.
Sinkhole appears along road
Coastal erosion potential threat to community sewage lagoon.
9-24-13 Bluff erosion - St. Michael, Alaska
On a rising tide, a line of bubbles from the mud under the water of Ugashik Bay can be observed rising forcefully to the surface.
Yukon Flats community dealing with river erosion and landscape changes that are threatening the loss of traditional harvesting areas.
Permafrost thaw is causing trail in Golovin to erode.
Permafrost thawing causing bridge damage.
9-21-12 Extreme rain and flooding - Wasilla, Alaska, USA
We performed a survey of community water lines to see how permafrost thaw and sinking foundations may be impacting homes, water and waste water systems. During the June visit we saw where foundation sinking was putting stress on pipe runs and junctions. Now in the winter we see evidence of freeze up in some of the homes where the junction boxes have been compromised, gaps in the insulation seal, and resulting freeze up and overflow of water.
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