Researchers uncover a possible active underwater volcano chain near the Cook Islands, hinting at fresh geological activity.

volcanic eruptions, and earthquake epicenters along the boundaries where the plates meet, called fault lines. The Ring of Fire is home to the deepest ocean trench, called the Mariana Trench.

HONOLULU (AP) — Lava began bubbling out of Hawaii’s most active volcano once again on Tuesday as Kilauea’s sporadic eruption resumed. The eruption restarted at midday when when molten rock ...

The volcano on the remote island of Flores in East Nusa Tenggara province has had hundreds of earthquakes and visible volcanic activity has significantly increased in the last seven days.