Twin plumes were observed rising from Fourpeaked glacier on Sunday 17th September. The area was located between Fourpeaked and Douglas volcanoes. Plumes reached 20,000 ft elevation. Fourpeaked volcano is located in the northeast corner of Katmai National Park. Trace of ashfall was recorded at Nonvianuk Lake outlet (110 km NW of the volcano) and near Homer (about 95 miles NE of the volcano). A cloud of sulphur dioxide was detected by satellite images. A strong sulphur smell was reported from the Stony River Valley, 300 km NW of Fourpeaked volcano. The alert level has been increased to "yellow".
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About John Seach
- John Seach
- John Seach is a scientist and the world's leading volcano adventurer. Over the past 24 years John has traveled to the world's most exciting volcanoes, and witnessed eruptions during trips to more than 200 volcanoes. John's work has been featured on award winning television programmes. John is the founder of "Volcano Live", the world's first volcano news and volcano travel website.