Portals into the machinations of the Earth, volcanoes take many forms – and occur due to a range of underlying processes. Take a look at these spectacular examples to understand a little about their destructive power – and the reason why | National Geographic UK

95K views · 749 reactions | A volcano in Iceland has erupted again in the country's Reykjanes Peninsula, forcing an evacuation of the Blue Lagoon and nearby town of Grindavik. The current eruption is the most powerful in the recent sequence of seismic activity, according to Iceland's public broadcaster RUV. https://cnn.it/4ciRqpk | CNN | Facebook