Rewriting the recent history of productive Cascade Arc volcanoes

Volcanic eruptions in the Cascade Range of the Pacific Northwest over the last 2.6 million years are more numerous and closely connected to subsurface signatures of currently active magma than commonly thought, according to newly publish research.

from Health & Medicine News -- ScienceDaily https://www.sciencedaily.com/releases/2020/08/200814142937.htm