Popocatépetl emerged in the crater of other volcanoes in its current form more than 20,000 years ago and has been active since 1994, spewing plumes of smoke, gas and ash more or less daily. The ...

When individuals hear volcanoes, they tend to envision blazing eruptions blasting into the air. However, volcanoes can also collapse sideways, with their sides, or flanks, collapsing. Such a collapse ...

An underwater volcano off Oregon's coast is likely to erupt in 2025, according to scientists monitoring the situation. Axial Seamount—the most active volcano in the northeast Pacific Ocean—is located ...

For much of 2025, an underwater volcano off the Oregon coast was treated as a geological ticking clock, with forecasts suggesting it could erupt at almost any moment. Instead, the year is ending ...

Off the coast of Oregon, a massive undersea volcano, Axial Seamount, is gearing up for its next eruption. Situated 300 miles offshore and 4,626 feet beneath the Pacific Ocean’s surface, this colossal ...

To be considered active, a volcano must have erupted at some point during the Holocene, but dormant and extinct are a little harder to define. When you purchase through links on our site, we may earn ...