PVMBG reported that on 29 May a gas explosion at Ijen generated a plume that rose 820-1,640 ft (250-500 m) above the surface of the lake. According to news articles two sulfur miners heard the explosion from under the water at 12:30 local time, which created 3 m high waves in the lake. The miners ran but one tripped and fell into the lake. Search efforts were unsuccessful after three hours and,…
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