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RT @USGSVolcanoes: @claaky23 Passive lava lakes such as this cool from the outside in, but Jacob is correct - it takes a long time. The sim…
RT @USGSVolcanoes: @claaky23 Passive lava lakes such as this cool from the outside in, but Jacob is correct - it takes a long time. The sim…
@claaky23 Passive lava lakes such as this cool from the outside in, but Jacob is correct - it takes a long time. The similar Kilauea Iki was measured through time and this pub in 2017 found still molten material in the center of the lake https://t.co/cAump