Largest active volcano in the northern hemisphere began erupting on Wednesday afternoon following the huge earthquake in ...

Tsunamis hit parts of Russia's far east and Japan after a huge magnitude 8.8 earthquake, with warnings in place around the ...

Tsunami warnings were lifted across the Pacific rim, allowing millions of temporary evacuees to return home. After one of the ...

Fifty to 70 volcano eruptions are recorded around the world each year. As of Feb. 21, 46 volcanoes have erupted; four of those occurred in the first two months of the year.

The earthquakes have taken place during the volcano's active periods. While it last erupted in 1538, it has been "restless" for decades, with spikes of unrest occurring in the 1950s, 1970s and 1980s.

Since its last eruption, the volcano was recorded ejecting smoke and light ash in 1876, 1933, 1941 and 1947, according to the NPS. MORE: Mile-deep underwater volcano could erupt off West Coast ...

Near Mars’ equator, a giant volcano has been hiding from us for decades. While the site had been observed by spacecraft since the 1970s, the volcano’s severe erosion disguised it.

The Beermerville Volcano falls into the extinct category, Domber and Weremeichik said in an email. None of the 169 active volcanos in the U.S. are anywhere near New Jersey. More than 50 are in Alaska.

Scientists have identified the “mystery volcano” that erupted in 1831 and cooled Earth’s climate. They have linked it to an island volcano in the northwest Pacific Ocean.