We know very little about the processes that lead to a reeruption of supervolcanoes such as the mostly underwater Kikai caldera in Japan (pictured) and are therefore ill-equipped to make predictions.

Bathymetry of a known caldera, Niuatahi, in the Tongan archipelago. (NOAA Vents Program) Deep beneath the ocean waves, ...

Scientists have discovered 73 previously unknown volcanoes hidden across the ocean floors.

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 ...

Aerial view of Crater Lake in Oregon, a collapse caldera formed by one of the largest volcanic eruptions in the past 8,000 years. A detailed survey of the volcanic deposits found offshore Japan ...

Far beneath the ocean near Japan, scientists have discovered that the magma system linked to the most powerful eruption of the Holocene is slowly rebuilding. By using seismic imaging, researchers ...

This situation is heating up. One of the world’s most volatile volcanoes is silently refilling with molten rock, sparking fears that this caldera could be getting ready to unleash a torrent of lava, ...

Take a tour through volcanic history on the edge of the Sierra Nevada near Mammoth Lakes, California. Between the tall granite peaks to the west and the Basin and Range province to the east, ...