Pressure waves from the colossal 2022 Tonga eruption rippled through Alaska’s crust, offering scientists a rare look into the state’s deep subsurface. Atmospheric waves from a powerful volcanic erupti ...

Two thousand years ago, Alaska’s Mount Okmok volcano spewed ash high into the atmosphere for months. Scientists believe it ...

Scientists think a volcano near Alaska's largest city may be poised for a possible eruption. In March, the Alaska Volcano Observatory said that it measured "significantly elevated volcanic gas ...

ANCHORAGE, Alaska (AP) — Volcano scientists in Alaska say a remote volcano may be erupting again. The Alaska Volcano Observatory is detecting small earthquakes at Pavlof Volcano. That's the kind of ...

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

Scientists provided an update Thursday on the chances of an eruption of the Mount Spurr volcano in Alaska, a situation being closely monitored by officials in Anchorage, the state’s largest city.

Scientists at Mount Spurr in Alaska have been unable to collect vital volcanic data for over a month as the area experiences “elevated” levels of earthquakes — but authorities claim an eruption is ...

For the last year, Alaska's Mount Spurr has been showing signs of a potential eruption on the horizon. If an eruption happens, it would likely occur at Crater Peak, shown in the background of this ...

When a volcano is dormant, it typically doesn't tend to make much noise. However, the Iliamna Volcano in Alaska is defying what we thought we knew about volcanos by rumbling despite being marked ...

ANCHORAGE, Alaska (Reuters) - A “nuisance” volcano on a remote Alaska Aleutian island is showing signs of a potentially disruptive explosion in the coming days that could disrupt air traffic, ...

ANCHORAGE, Alaska (Reuters) - An Alaska volcano shot an ash cloud about 5 miles (8 km) into the sky on Tuesday, prompting flight delays and cancellations and raining volcanic particles onto at least ...

Alaska’s volcano experts no longer expect an eruption anytime soon from Mount Spurr, the closest active volcano to Anchorage. On Wednesday, the Alaska Volcano Observatory formally lowered the alert ...