Located in Sicily, Mount Etna is Europe's most active volcano. Yet its origin remains largely enigmatic, as no existing ...

A volcanic formation known as Pele’s hair is produced when air-filled magma is stretched, according to a new study by a team of scientists and glass artists.

Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

No other puʻus exist on the caldera rim, but geologic deposits of tephra fall mapped in Kīlauea’s summit region indicate that ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

Retired USGS Hawaiian Volcano Observatory geologist Don Swanson stands in front of an outcrop near Uekahuna at the summit of ...

About 290 miles off the coast of Cannon Beach, Oregon, lies an underwater volcano called Axial Volcano. Axial erupts about once every ten years. Twice in the past year, news outlets have reported that ...

Submarine volcanoes, volcanic structures hidden beneath the ocean surface, play a vital role in shaping Earth’s geology and marine ecosystems. Formed through tectonic plate movements, rising magma, ...

Click to open image viewer. IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Image was ...

Scientists discover possible traces of microbial life dating back 1.9 billion years in ancient volcanic glass.

Kilauea is in a unique phase of activity in Halema‘uma‘u, with 12 episodes of dual lava fountains since Dec. 23, 2024. Several past eruptions have been characterized by similar lava fountaining ...