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 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 ...

(CNN) — Here's some background information about volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth's surface, both above and below sea level, is ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. HAWAII COUNTY, Hawaii — The most active ...

The United States Geological Survey (USGS), back in 2005, released a comprehensive and somewhat groundbreaking report on the volcanic hazards that people face in the US. Now, just this week, an update ...

Live on the East Coast? Thinking of escaping to a warm Caribbean island right now? You might want to check a new, open access database of the world's deadliest volcanoes first. Though not intended as ...

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 ...

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 ...