![]() It was downgraded to green status in June 2020. During that period, the volcano went on to erupt and produced lava flows, pyroclastic flows and mudflows. The volcano was elevated to yellow advisory level in July 2019. Shishaldin is one of the most active volcanoes that are part of the Aleutian Island arc, with 26 confirmed eruptions since 1824. The last four significant ash events during the current eruption resulted in ash clouds with heights up to 40,000 feet above sea level, similar to other historical eruptions. Mount Edgecumbe is now considered a high risk volcano, one step below the state’s very high risk volcanoes: Augustine, Spurr, Redoubt, Akutan and Makushin. MYSTERIOUS 'NOODLY LINE' IN OCEAN FLOOR LEADS TO IMPORTANT DISCOVERY OFF ALASKAN COAST Recent Observations: Volcanic cloud height 10,000 ft. At least two explosions were seen coming from the volcano and sent ash and steam into the air. AVO will continue to closely monitor unrest at Shishaldin Volcano. Coast Guard flight confirmed that lava was erupting from the summit of Shishaldin. The AVO issued an Orange Watch on their volcano alert scale shortly after the detection, which means a volcano is "exhibiting heightened or escalating unrest with increased potential of eruption," with an uncertain time frame, or that an eruption is under way but poses limited hazards. This follows a several-hour increase in seismic tremor and an increase in temperatures at the volcano seen in satellite data. The plume was moving east-northeast as the National Weather Service issued an aviation advisory warning of hazardous weather in progress for the ash cloud.Ī Marine Weather Statement was issued for possible trace ash on waters northeast of the volcano.ĪLASKA'S SHISHALDIN VOLCANO EXPLOSION SENDS ASH AND STEAM 40,000 FEET INTO THE AIRĮxplosion signals were detected in infrasound data since at least 2 a.m. local time.Įarlier on Wednesday, a low-level ash cloud was sent about 15,000 feet into the air early Wednesday. The Alaska Volcano Observatory (AVO) said meteorological clouds up to 20,000 to 25,000 feet above sea level began obscuring views of the volcano beginning at around 11:30 a.m. ![]() 'It’s definitely exciting and a busy time for us up here. The massive underwater volcanic eruption in Tonga was so powerful it was recorded around the world and triggered a tsunami that flooded Pacific coastlines from Japan to the. UNIMAK ISLAND, Alaska – The eruption of Shishaldin Volcano in Alaska's Aleutian Islands has slowed down, after explosive eruptive activity occurred at the volcano Wednesday morning. Loewen said its been at least seven years since three volcanos erupted simultaneously in Alaska, and the recent unrest has kept monitoring campaigns lively at the Alaska Volcano Observatory. ![]()
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