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 ...

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 ...

(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 ...

When the crew aboard the research vessel Sonne set out on a cruise last spring, they were expecting a routine mapping expedition in the South Pacific. But they were in for a big surprise. They ended ...

This is an archived article and the information in the article may be outdated.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 way a volcano warps the ground might predict how high an eruption's ash plume will get, which in turn might help scientists gauge the impact the explosion could have before it happens, researchers ...

After two eruptions in the span of a month, the public is suddenly paying attention to volcanoes. But volcanologists have been watching them for years, and now, a small group is taking volcano ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Researchers have discovered a volcano under the sea near Minamitorishima Island, Japan. There's ...

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 ...