ONCE IT STARTS, THERE’S NOTHING STOPPING IT 🌋😲 it begins with chunks of rock and lava breaking away and transforms into a terrifying avalanche of hot gas, ash and debris that tears down the side of the mountain. Here’s a textbook example of one, shot at Sinabung volcano, Indonesia in early 2014 #volcano #eruption #nature | Earth Uncut TV with James Reynolds

When a volcano erupts, pyroclastic flows are often the biggest danger to anyone nearby. These fast-flowing currents of rock, ash and hot gas are extremely difficult to study, so researchers created their own. Read the related Nature Geoscience paper here: https://go.nature.com/2Im1bYs | Nature Portfolio

1M views · 10K reactions | What is a pyroclastic flow and why is it so dangerous? | What If | Facebook