Huge lava fountains and plumes of ash were seen being sent high into the night sky over the weekend. Find out more here.

Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

Popocatépetl emerged in the crater of other volcanoes in its current form more than 20,000 years ago and has been active ...

Italy's Mount Etna lays claim to several titles. It is: The world's most active "stratovolcano" Europe's largest and most active volcano One of the best-monitored volcanoes in the world One of the ...

The most active volcano in the Pacific Northwest is the Axial Seamount. It’s located 300 miles west of Astoria, Oregon, and a mile under the ocean. It’s erupted three times in the past 25 years. And ...

Mount Erebus is the southernmost active volcano on Earth, and one of only two in Antarctica. Its summit is 12448 feet. The volcano was discovered and named by Sir. James Clark Ross in January of 1841.

The volcano has been periodically erupting over the past month. One of the world’s most active volcanoes, located in Kilauea, Hawaii, erupted for the seventh time since December, according to the U.S.

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San Francisco, the ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...

The Axial Seamount—a volcano located 300 miles off the coast of Oregon and a mile underwater—is slowly showing signs of an impending eruption. Although less well-known than other volcanic giants of ...

Scientists noted the unusual eruption behavior at least 12 times in 2018. Scientists may have found the mechanism behind the unusual explosive eruptions seen at one of the most active volcanoes in the ...

The Kavachi volcano is an active underwater volcano located near the Solomon Islands in the southwestern Pacific. Underwater, or submarine, volcanoes are found on the ocean floor. The Kavachi volcano ...