A New Island Has Popped Up in Alaska

As the Alsek Glacier melts, a small rocky mountain known as Prow Knob has transformed into a freestanding island.

Sep 17, 2025 1

A New Island Has Popped Up in Alaska
A satellite image of Alsek Glacier and its proglacial lake in the summer of 2025

As the Alsek Glacier melts, a small rocky mountain known as Prow Knob has transformed into a freestanding island.
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