Volcano Hazards • Lahars • Rain + Ash = Mudflow • Go back to Strange Sounds Heavy rain on Mount Merapi triggered a “cold lava” flood — a lahar — surging downriver, killing people and dragging vehicles. When intense rainfall hits ash-covered slopes, loose volcanic debris turns into a fast-moving slurry that can carry boulders, […]

The post Mount Merapi “Cold Lava” Flood: What a Lahar Is and Why Rain Makes Volcano Slopes Deadly (Mar 2026) appeared first on Strange Sounds.

Earth Oddities • Strange Geological Phenomena • Landslides & Mudflows • Heavy Rainfall Threshold Failures • Go back to Strange Sounds A deadly landslide struck an eastern DR Congo coltan mining area after heavy rainfall, killing more than 200 people (reported). Heavy rainfall triggered a catastrophic slope failure at a coltan mining site in eastern […]

The post DR Congo Coltan Mine Landslide Kills 200+: How Heavy Rainfall Triggers Sudden Slope Failure (Mar 2026) appeared first on Strange Sounds.

Earth Systems • Extreme Rainfall • Landslides & Mudflows • Go back to Strange Sounds Parts of Minas Gerais, Brazil, reportedly received about 21 inches (533 mm) of rain in roughly six hours. Landslides and flooding followed, with at least 64 reported deaths and thousands displaced. This deep dive explains why intense rainfall can trigger […]

The post Brazil Landslides After 21 Inches of Rain in 6 Hours: Minas Gerais Disaster Explained (Feb 2026) appeared first on Strange Sounds.