Cordón Caulle is a great place to study the interconnectedness of geohazards, Ruprecht said, because all these hazards come ...

Gnarly and wizened, she can’t compete with Crater Lake’s impossibly blue beauty. Nor does she try as she stubbornly clings to ...

A sci-fi future where molten lava is harvested to create low carbon building materials is the inspiration for Iceland’s ...

"What a drastic change in landscape." This year ... Katmai ranger who often ventured into the valley, told Mashable. "Pumice and ash always threaten to get into your footwear where it can abrade ...

Before tourism, the pumice stone soil proved perfect for digging cave houses as shelters for fishermen and animals. The remnants of these caves still dot the landscape today and ... explore the island ...

With a few tips, you can learn to use it properly. A pumice stone is a type of volcanic rock that forms when lava suddenly cools during an eruption. It’s porous and light and has a spongelike ...

To reach our vantage point, we had followed Simon along a trail through hardened ash lined with chunks of pumice. Treetops and ... sight – a hunk of serrated rock, draped with a ragged green ...