234K views · 6.2K shares | LOOK: TIME LAPSE of MAYON VOLCANO PYROCLASTIC FLOW Last Night. The Lava continuously flowing from Mayon Volcano's crater. Phivolcs warns of possible hazardous eruption within weeks or even days as alert level 3 has been raised. #KeepSafe #Albayanos #PrayforAlbay video by (c) Drew Zuniga | Proud To Be Albayano | Facebook

Incredible images of Mount Etna's eruption earlier today. Parts of the South East crater collapsed, causing a huge flow of pyroclastic material that ran down the entire side of the volcano. #Sicilia #etna #volcano #cheflucacorleone #foryou | Luca Corleone-Fontanarosa

23K views · 363 reactions | WATCH: Philippines is on alert for an "explosive eruption" of the Taal volcano south of Manila even as thousands are evacuated. CNA's Buena Bernal highlights another fear - that of a "pyroclastic flow". | CNA | Facebook

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