A 2022 satellite photo shows smoke rising from a caldera on Tofua, highlighting the "looming threat" of the volcanic island.

Lava began bubbling out of Hawaii’s most active volcano once again on Tuesday as Kilauea’s sporadic eruption resumed.

In the shadow of Alaska's bustling city, Mount Spurr whispers of its ancient power. Elevated gas emissions suggest a restless ...

As excited gasps from others filled the air, the couple only caught the aftermath of a spectacular event that erupted behind ...

Numerous small, shallow earthquakes continue to rumble under Alaska's Mount Spurr, prompting fears of an imminent eruption.

The eruption disrupted several flights and raised emergency warnings to their highest level for locals and tourists.

US Sen. Mazie K. Hirono (D-HI) joined Sens. Lisa Murkowski (R-AK), Maria Cantwell (D-WA), and Dan Sullivan (R-AK) in ...

The Mount Lewotobi Laki Laki volcano in south-central Indonesia has erupted, sending an ash column 26,000 feet high and prompting authorities to expand the danger zone around the volcano.

Much like in 1980, if we started seeing more frantic rumbling, then the media coverage would become intense, and it could ...

The known sequence of Maunaloa’s 1868 events began with an eruptive phase beginning at about dawn March 27 at the summit, lasting a couple of hours. Seismicity escalated thereafter, with Kaʻū ...

Observatory leaders have assured local emergency officials their public service will continue, but questions linger about how ...