![]() ![]() Nothing significant was observed in clear to partly cloudy satellite images of the volcano. Light steaming from the north crater of Mount Young was seen in clear webcam views. No evidence of explosive activity was observed in geophysical data over the past day. ![]() The local seismic network has been struggling with power issues during the past week. We expect additional shallow seismicity and other signs of unrest, such as gas emissions, elevated surface temperatures, and additional surface deformation to precede any future eruption, if one were to occur.ĪVO currently monitors Aniakchak with satellite remote sensing data, regional infrasound and lightning networks and several regional seismometers. Increases in seismic activity have been detected previously at other similar volcanoes, with no subsequent eruptions. The current period of seismic unrest began in October 2022. No noteworthy activity was observed in clear to partly cloudy satellite and webcam views. Seismic activity was low at Aniakchak volcano over the past day. The volcano is monitored by local seismic and infrasound sensors, satellite data, webcams, and regional infrasound and lightning networks. An explosive event occurred in May 2021, before the current eruption of lava. Weak seismic activity is occurring at the volcano.Īn eruption of lava began at Great Sitkin Volcano in July 2021 and has continued to slowly erupt since, but no explosive events have occurred. All other satellite images and webcam views were also cloudy and showed nothing significant. Moderately elevated surface temperatures were observed at the summit crater in one cloudy satellite image over the past day. Slow eruption of lava likely continues at Great Sitkin Volcano, where it is producing a thick lava flow within the summit crater. Geological Survey Tuesday, June 20, 2023, 12:47 PM AKDT (Tuesday, June 20, 2023, 20:47 UTC) GREAT SITKIN VOLCANO ![]() ALASKA VOLCANO OBSERVATORY DAILY UPDATE U.S. ![]()
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