New seismic surveys beneath Japan’s Kikai caldera have detected a large zone of partially molten rock refilling the magma ...

A new study reveals that Japan's Kikai Caldera is gradually refilling with fresh magma, offering key insights into volcanic ...

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.

Massive volcano in Japan refilling 7,300 years after eruption, offering new insight into supervolcano behavior and future risks ...

Scientists have discovered that one of the most powerful volcanoes in Earth’s recent history is slowly building up magma ...

On the morning of March 10, 2026, two vents on the southwest side of Halema'uma'u Crater roared back to life — and this time, ...

A 2023 astronaut photo shows off an unusual cranium-like structure appearing to stare up into space from the floor of a large volcanic caldera in Chad. When you purchase through links on our site, we ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Mark Stelten, research geologist with ...

Caldera volcanic eruptions create geological hazards that affect many communities around the world. Geophysical, geochemical and remote sensing data have become essential for understanding the tectono ...