Mount Aso: a journey to the heart of Japan's dream landscapes. Mount Aso is one of the largest active volcanoes in the world and has one of the largest calderas at around 120km in circumference ...

With a competent guide, active volcano treks are both safe and worth the climb. Here are some of the biggest active volcanoes ...

WASHINGTON (AP) — Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That happened two years ago with the world’s largest active ...

WASHINGTON — Scientists can't know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That happened two years ago with the world's largest active volcano.

WASHINGTON (AP) — Scientists can't know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That happened two years ago with the world's largest active ...

WASHINGTON (AP) — Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That happened two years ago with the world’s largest active ...

WASHINGTON (AP) — Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That happened two years ago with the world’s largest active ...

WASHINGTON (AP) — Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That happened two years ago with the world’s largest active ...