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Popular Stories from 2019

New outcrops make good geology

VOLCANOES NATIONAL PARK — A good field geologist is an opportunist. Never content with what outcrops are available, she jumps at the chance to see another one, hoping that it will provide a better understanding to some question about what happened in the past. But it isn’t every day that new outcrops are created, and rarer still when they are on the scale of those formed during the faulting of Kilauea Volcano’s caldera floor in summer 2018.

Eruption pause provides an opportunity to probe volcanic pollution

HAWAII VOLCANOES NATIONAL PARK — The end of Kilauea’s 2018 eruption this past September was accompanied by an enormous decrease in the amount of sulfur dioxide gas (SO2) emitted from the volcano. This has led to beautifully clear skies gracing Hawaii Island, particularly noticeable on the west side, where the volcanic pollution known as vog chronically collected in past years.

Popular Stories from 2018