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 ...

These fiery features can be as dangerous as they are mesmerizing. Here are a few things to keep in mind if you live near or plan to visit a volcano.

Volcanoes are among Earth's most powerful natural features. They have shaped continents, created islands, influenced climate, and fascinated people for thousands of years. While volcanic eruptions can ...

What is the risk of a volcano erupting? To answer this question, scientists need information about its underlying internal structure. However, gathering this data can take several years of fieldwork, ...

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 ...

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 ...

Volcanoes emit smoke. Beneath a volcano lies a huge chamber filled with liquid magma. A series of earthquakes means an eruption is imminent. And if a "supervolcano" like Yellowstone were to awaken, a ...

Summary: No activity of concern for Kamaʻehuakanaloa. No significant activity was detected at Kamaʻehuakanaloa volcano (formerly Lōʻihi Seamount) during the past month. Seismic activity remained low ...

Picture it. After a grueling 45-minute to one-hour hike up Nicaragua's youngest volcano, Cerro Negro, you get to reward yourself with the thrill of a lifetime: volcano boarding. Similar to the winter ...

On June 2, 2025, Italy’s Mount Etna, one of Earth’s most active volcanoes, erupted again, releasing what experts called a “lava fountain” that sent tourists rushing downhill to safety. In late March ...

(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 ...