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

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 ...

Research unveils a new theory about the origin of the Great Lakes, challenging what we know about their age and formation.

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.

The U.S. National Tsunami Warning Center has said there is no tsunami danger for the East Coast of the United States after an ...

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

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 ...

Yellowstone and Hawaiʻi. These systems a well known for producing large volumes of magma through time and leaving chains of volcanic features in their wake, although they do so in very different ways.

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 ...