527K views · 7.2K reactions | THE MOST FEARSOME TYPE OF ERUPTION  Shot at Mt Sinabung in Indonesia in 2014, this was one of hundreds of pyroclastic flows that tore down the side of the volcano over many months. These flows are unstoppable, super heated avalanches of lava, toxic gas and ash - you do NOT want to be caught in one | Earth Uncut TV with James Reynolds | Facebook

What are lahars and pyroclastic flows?

Pyroclastic Flow | Overview & Materials

🇮🇩 Pyroclastic Flow on Mount Semeru 🌋🔥🌫On January 15, 2026, a pyroclastic flow descended from Mount Semeru (Java, Indonesia). Hot gases, ash, and rock fragments rushed down the slopes, covering nearby areas. Authorities declared a heightened danger level, advising residents to evacuate from the hazardous zone. Preliminary reports indicate that information on casualties is still being verified. #Indonesia #Semeru #volcano #pyroclasticflow #weather | Val Sab

🇮🇩 Pyroclastic Flow Descends from Mount Merapi, November 26, 2025 🌋 On 26 November 2025, a pyroclastic flow descended from Mount Merapi, one of Indonesia’s most active volcanoes. The dangerous mixture of superheated gases, ash, and rock fragments rushed down the southern and southeastern slopes. According to preliminary reports, authorities have raised the alert level and warned residents about a possible expansion of the danger zone. Ash emissions are disrupting airline operations and posing