An curved arrow pointing right. The To-Sua Ocean Trench is a swimming hole in a volcano's crater. People from all over the world travel to the Samoan island of Upolu to swim in the crystal clear ...

Around 900 years ago, a volcano – which has come to be called Sunset Crater – erupted and transformed the encircling area. Geologic features like cinders, lava rock and lava flow compose this ...

Sete Cidades is a natural wonder steeped in beauty and legend — and it also happens to be located in the center of a massive volcanic crater. Resting in the caldera, there are two lakes ...

Revealing icy craters and expansive volcanic plains, these photographs from just hundreds of kilometers above the surface offer unprecedented details of the planet’s least understood features, ...

sits atop a supervolcano crater that has had at least one historic eruption so violent and big it covered around half the US in ash and led to a global volcanic winter lasting for years.

Scientists investigating the Yellowstone supervolcano have discovered movement deep in the crater, sparking fears the sleeping giant could erupt. The volcano, located under Yellowstone National ...

The Kilauea volcano in the Hawaii Volcanoes National Park is spewing lava once again, the seventh recorded episode in recent weeks. The eruption which began in a crater at Kilauea’s summit on December ...

The JCG announced that it found the most likely culprit as it located an underwater volcanic crater believed to have erupted within a year near Torishima island in the Izu island chain south of Tokyo.

One of the world’s most active volcanoes is back in action.The Kilauea volcano at Hawaii Volcanoes National Park is spewing lava once again, the seventh recorded episode in recent weeks.The ...

Kilauea volcano in Hawaii is erupting with fountains of lava. Check out a USGS livestream from within the Halema'uma'u crater. Kilauea volcano entered its fourth eruptive episode on Thursday ...

Having driven past a volcanic crater on our way to the cabin we thought we might explore it one afternoon, but my other half was somewhat dismayed at my outdoor attire. To be fair, they are the ...