Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, ...

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

Recent volcanic activity across the Pacific Ring of Fire has raised alarms among scientists and volcanologists, with several ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Great Sitkin is a volcano that occupies most of the northern half of Great Sitkin Island, which is part of the Aleutian Islands chain. The volcano is oval-shaped, eight by 11 kilometers at its ...

Three remote Alaska volcanoes — Pavlof, Great Sitkin , and Semisopochnoi — are in various states of eruption, one producing lava and the other two blowing steam and ash.

A volcano briefly erupted Tuesday night in the central Aleutian Islands near Adak. The 1- to 2-minute explosion of Great Sitkin volcano began just after 9 p.m., according to an activity notice ...

The two other volcanoes – the Great Sitkin Volcano and Semisopochnoi Volcano – sit hundreds of miles away. The latter volcano spewed an ash cloud about 10,000 feet into the air on an ...

Alaska’s Great Sitkin volcano erupted Wednesday. Great Sitkin is located in the Aleutian Islands and is 26 miles from the community of Adak. Alaska holds more than three-quarters of all U.S ...

The smoking crater of Great Sitkin volcano on Great Sitkin Island in the Aleutian Islands of Alaska, circa 1955. The USGS tweeted that the volcano’s activity had increased above the usual ...

Three Alaskan volcanoes have been erupting simultaneously for the last two weeks. The three volcanoes include the Pavlof Volcano, the Great Sitkin Volcano and the volcanic island of Semisopochnoi ...

The two other volcanoes – the Great Sitkin Volcano and Semisopochnoi Volcano – sit hundreds of miles away. The latter volcano spewed an ash cloud about 10,000 feet into the air on an ...