Discover how volcano monitoring is evolving in the U.S. with the National Volcano Early Warning System for improved eruption safety. First off, nothing says fun like the U.S. Volcano Status Map!

Since 2000, specialists at the National Museum of Natural History have produced the world’s foremost report on active ...

One of two main craters on Alaska’s Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. (Photo by R.G. McGimsey/Alaska Volcano Observatory/U.S.

One of two main craters on Alaska's Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. R.G. McGimsey/Alaska Volcano Observatory/U.S. Geological ...

If you were lucky 74,000 years ago, you would have survived the Toba supereruption, one of the largest catastrophic events that Earth has seen in the past 2.5 million years. While the volcano is ...

Volcano monitoring. Image courtesy of the USGS. First off, nothing says fun like the U.S. Volcano Status Map! Apparently the dreaded watch "eye" was not meant to be a permanent icon, but hey, it has ...