Volcanic features near Healy are within a region scientists have named the “Denali Volcanic Gap,” reflecting a puzzling absence of volcanoes from Mount Spurr to the Wrangell Mountains in eastern Alaska.
Updated: January 28, 2024A volcanic crater northeast of Healy, Alaska, that is part of the Buzzard Creek maars.
While looking at the seismometer data, which revealed ground motions large and small, Tape and his colleagues noticed a spot where earthen waves slowed down as they passed through. Volcanic activity of the Aleutian Islands seems to end at Mount Spurr, but if the curve of the Aleutian Arc were to extend north it would intersect the Alaska Range.
University of Utah student Santiago Rabade pored over subtle signals picked up by the dense network temporary seismometers Tape and his team had set up quickly in February 2019. Then, they performed rare winter fieldwork to detect aftershocks from a 7.0 Anchorage earthquake on Nov. 30, 2018.
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