This footage captures a chilling moment as the siren echoes across the landscape while one of the volcano’s most dangerous hazards moves down the mountain. The sound adds a powerful sense of urgency ...
In the video, I talked about how 'Sapporo Soft Stone, used in Sapporo's stone buildings, was born from the eruption of the ...
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Sirens sound: Pyroclastic flow at Semeru volcano
Sirens sounded as Semeru Volcano in Indonesia sent a fast-moving pyroclastic flow down its southeastern flank, highlighting the danger around one of Java’s most active volcanoes. During July 2026, ...
A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ...
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