A 2023 astronaut photo shows off an unusual cranium-like structure appearing to stare up into space from the floor of a large ...

Geologists say there is no evidence the Apolaki Caldera -- part of an extinct volcano located in the Philippine Sea -- could ...

This stunning astronaut photo shows the natural beauty of Japan's Aso Caldera — a giant crater-like bowl containing 17 different volcanoes, leftover from major eruptions spanning over 200,000 years.

Episode 35 of the ongoing Halemaʻumaʻu Crater eruption within the summit caldera of Kīlauea volcano on the Big Island began at about 8:05 p.m. Oct. 17, and it wasted little time revving up to put on ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Dan Dzurisin, geologist with the U.S.

Since the Kobe Ocean Bottom Exploration Center (KOBEC) was established in 2015, the Center has carried out three survey voyages to the Kikai Caldera, south of Japan's main islands. Based on these ...

Seismologists monitoring the seafloor here detected more than 2,000 earthquakes erupting within just one day.

Let’s take a look at 10 trails that trace those forces—but remember, some of these magmatic marvels are merely napping. It’s ...

The chances of an Alaskan volcano erupting in the near future have increased due to recent earthquake activity, scientists say. Magma centered under the Aniakchak volcano, about 416 miles southwest of ...

Learn more about the Taftan volcano, which hasn’t erupted since the Pleistocene.