Rather than a single giant chamber, the Yellowstone Caldera is made up of a complex system that includes a shallow magma ...

Dubbed the Kikai caldera, this mostly-underwater caldera located south of Japan’s Ryuku Islands last erupted 7,300 years ago, ...

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.

The magma reservoir of the largest volcanic eruption of the Holocene is refilling. This Kobe University insight on the Kikai ...

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

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

A massive underwater volcano, the Kikai Caldera, is showing signs of renewed activity as scientists report it is slowly ...

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 ...

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, ...

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 ...