The dramatic footage above captures large pyroclastic flows erupting from the Mount Sinabung volcano in North Sumatra, Indonesia.

These violent flows are devouring the farmland below, as they charge down the sides of the mountain.

Pyroclastic flows are extremely fast moving currents of hot gas and volcanic matter. They can reach terrifyingly fast speeds of 450mph and temperatures of up to 1000 degrees.

These flows travel so quickly that each one only lasts around 2-3 minutes but the huge, billowing clouds of ash can hang in the air for up to 20 minutes afterwards, depending on the speed of the wind.

Tokyo based British video producer James Reynolds took this mind-blowing footage during June 2015. He was aware of the dramatic scenes taking place at Mount Sinabung ever since it began erupting in 2010.

Unfortunately, most of the footage available before now had been shot by amateurs or in low quality, so James was inspired to go and take his own footage in 4K.

He set up his camera around 8km from the top of the mountain, just outside of the exclusion zone that has been put in place to keep locals safe.

Thankfully, no one was killed when James was shooting but there have sadly been numerous fatalities during the eruptions that have taken place before and after this was shot.

Currently, Mount Sinaburg continues to be active, leaving disaster in its wake.

Don’t forget to watch the mesmerising footage above!

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