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Get the latest updates on volcanic activity in Alaska, including Great Sitkin, which is under a watch alert for lava eruption. The Alaska Volcano Observatory is a partnership of federal, state, and academic agencies that monitors and studies volcanoes.
Learn about the volcanoes of Alaska, their eruption history, hazards, and monitoring. Find maps, images, news, and data of the active and potentially active volcanoes in the state.
A clear webcam view on October 28 showed steaming from the active eruption site. Intermittent small volcanic earthquakes continue, though the rate has slowed over the past month. Since the May 2021 explosion, there have been no other explosions at Great Sitkin Volcano.
Dixon, J.P., Cameron, C.E., Iezzi, A.M., Power, J.A., Wallace, K., and Waythomas, C.F., 2020, 2017 Volcanic activity in Alaska-Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2020-5102, 61 p., https://doi.org/10.3133/sir20205102.
How many active volcanoes are there in Alaska? Alaska contains over 140 volcanoes and volcanic fields which have been active within the last two million years. These volcanoes are catalogued on our website: https://www.avo.alaska.edu/volcano/ .
Augustine Volcano is a dome and lava flow complex on an island in lower Cook Inlet, Alaska. It has a history of catastrophic collapse and debris avalanches, and is monitored by the Alaska Volcano Observatory for seismic and other signs of unrest.
View live webcam images of Alaska's active volcanoes and their surroundings. See the date, time, and color code for each volcano's alert level and status.
The north crater of Mount Young has been intermittently active since 2018, making it the most active volcano in Alaska over the last several years. Ashy plume from Semisopochnoi's North Cerberus vent, caught on AVO’s CETU webcam August 15th, 2021.
Lava continues to slowly erupt at Great Sitkin Volcano, feeding a thick lava flow that is gradually filling the summit crater. Small earthquakes continued to be detected beneath the volcano. No unusual activity was observed in cloudy satellite and web camera views of the volcano over the past day.
Pavlof Volcano is a snow-covered stratovolcano on the northeastern flank of Emmons Lake Caldera in Alaska. It has active vents on the north and east sides and is within the Shumagin seismic gap, which has a history of great earthquakes.