Deadliest volcanic eruption: The 1815 eruption of Mount Tambora in Indonesia, which killed up to 100,000 people From lava fountains to towering ash clouds, volcanoes produce some of the most dramatic ...

The Santorini Volcano Documentation and Information Center is entering its final phase, promising a unique earthquake ...

The Hawaiian Volcano Observatory is part of the U.S. Geological Survey, the science agency of the U.S. Department of Interior. Our job is to obtain and share science-based information about the ...

The National Volcano Early Warning and Monitoring System, or NVEWS, was first authorized by congress in 2019 to be established within the United States Geological Survey. NVEWS serves as a critical ...

Here’s a look at volcanoes, mountains that open downward to a reservoir of molten rock. More than 80% of the Earth’s surface, both above and below sea level, is of volcanic origin. Lava is molten rock ...

Episode 37 of the ongoing Halemaʻumaʻu eruption began at 2:30 p.m. HST on Nov. 25, according to the Hawaiian Volcano Observatory. Sustained lava fountains approximately 400 feet (120 meters) in height ...

Far off the Oregon Coast, a restless underwater volcano has been rattling the seafloor with swarms of tiny earthquakes, ...

1. During the past 4,000 years, Mount St. Helens has erupted more frequently than any other volcano in the Cascade Range. 2. Most of Mount St. Helens is younger than 3,000 years old (younger than the ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...