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| Aerial view of the August 2025 landslide and tsunami near South Sawyer Glacier in Alaska |
Tam tells us that Second tallest megatsunami ever recorded happened in Alaska last year.
Nick informs me that Prince William Sound is under a kind of tsunami watch (pdf). They (the guys who watch these things) have latched onto Barry Arm as a potential disaster in the making. I am not quite sure what Barry Arm is, whether it is an arm of a glacier or a piece of land, but there is a glacier involved. The prediction is that sometime in the next 20 years, Barry Arm is going to collapse into Prince William Sound and that is going to trigger a tsunami 1600 feet high which will be like the biggest wave ever! It would cool to surf it, hey? 1600 feet. I can't even imagine. Of course it will dissipate very quickly, it's not like a major underwater fault shift. Still, it will probably be felt all over Prince William Sound, and since all the fishermen up there know about it, it is liable to influence the choice of fishing grounds.
Tam's link is talking about Tracy Arm. Is that in the same place as Barry Arm? No. They are 500 miles apart.
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| Alaska, Red placemarks: Barry Arm (left) & Tracy Arm (right) South Sawyer Glacier is practically on top of Tracy Arm |
Yeah, Alaska, land of treacherous rocks, ice & snow.
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