Tag: Alaska Volcano Observatory

UPDATE: New data show volcanic uplift has been constant below Mt. Edgecumbe since 2018

by KCAW News | Apr 23, 2022 | Local News, Syndicated

An analysis of satellite radar data shows that almost 11 inches of uplift has occurred over a broad area just east of the Mt. Edgecumbe crater since 2018 -- as magma "intrudes" into the crust below. Read More

Earthquake ‘swarm’ may mean Sitka’s long-dormant volcano is waking up. Or not

by Robert Woolsey, KCAW | Apr 14, 2022 | Local News, Syndicated

Seismologists have detected a "swarm" of earthquakes below the long-dormant Mt. Edgecumbe volcano near Sitka, whose last major eruption was 4,500 years ago. Next comes a long period of "watchful waiting" for additional activity -- if any. Read More