This melting forms volcanoes. Volcanoes can also form at hotspots, which are places where a really hot plume of rock in the mantle bubbles up, weakening the crust. The volcanoes that form where ...

Observatory leaders have assured local emergency officials their public service will continue, but questions linger about how ...

Some parts of the island chain have a 0.6 millimeter-per-year subsidence rate, but others are in a much more dire state.

But that presented the team with yet another conundrum. Volcanoes like those on Easter Island are so-called "hotspot volcanoes." These are common in the Pacific Ocean; Hawai'i is a famous example.

Several international flights from Indonesia’s resort island Bali were cancelled after Mount Lewotobi Laki-Laki volcano ...

Santorini, one of the most popular tourist destinations in Greece, could soon be swamped by volcanic eruptions and tsunamis. The island has been rattled by 6,400 minor and moderate earthquakes ...

Deep within Africa’s Great Rift Valley, Virunga National Park is home to some of the continent’s most active volcanoes, ...

Laki, a volatile volcano on Indonesia’s Flores Island, erupted with a ferocity that sent an ash plume soaring 8 kilometers into the sky. The initial eruption, lasting over 11 minutes, marked the ...

Sometimes eruptions are explosive and lava is thrown out as volcanic bombs. Hotspots are places where the magma rises up through the crust. They are caused by a static source of magma, often away ...