Lava is still pushing out of the vent at Great Sitkin, a volcano on an Aleutian island about 26 miles east of Adak, Alaska.

Great Sitkin volcano, sitting in Alaska’s central Aleutian Islands, has been slowly pushing lava out of its summit crater since July 2021. Five years into this eruption, the volcano shows no signs of ...

The tsunami threat around the Pacific from a huge undersea volcanic eruption began to recede Sunday, while the extent of damage to Tonga remained unclear.

The Alaska Volcano Observatory on Tuesday lowered the alert level for Kupreanof Volcano on the Alaska Peninsula after weeks of declining activity at the remote peak. Kupreanof hasn’t erupted in about ...

A circular scar on Alaska’s face speaks to an event that may have contributed to the fall of societies on the far side of the world. Two thousand years ago, Alaska’s Mount Okmok volcano spewed ash ...