Unusual activity at Alaska volcano prompts extra look at remote peak

Unusual activity at Alaska volcano prompts extra look at remote peak

This screenshot shows a portion of a high-resolution WorldView-3 satellite image of the active fumaroles (steam vents) at Mount Kupreanof on May 10, 2026. These fumaroles are associated with an active hydrothermal system at the volcano and are not related to any new volcanic activity. The small dark deposit is likely windblown dust from the snow-free fumaroles. (Image courtesy of AVO/USGS, ©2026 Maxar, USG Plus)The Alaska Volcano Observatory has…

Kupreanof Volcano and Arctic Research open house

Welcome to your seismic update from across the state, brought to you by the Alaska Earthquake Center, where we monitor ground shaking 24-7.