Explore the volcanic hazards at Rainier, including lahars and debris flows, posing risks even when the volcano is quiet. posted an excellent video of the June 25 event that seems to start as a debris ...
TEMPO.CO, Jakarta - A pyroclastic flow descended from the summit of Mount Semeru in Lumajang, East Java, on Wednesday afternoon, November 19, 2025, ahead of a later eruption. As of publication, the ...