After a series of tremors that struck Santorini at the beginning of the year, the island's tourism industry is worried about ...

Yellowstone has never erupted within recorded human history. But a new discovery has highlighted just how active this ...

Mount Spurr eruption could disrupt Alaska air travel, as experts warn of increased volcanic activity near Anchorage and issue ...

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 ...

In recent times, the main problem facing Greece’s picturesque island of Santorini has been the crowds of tourists ...

Scientists have long been puzzled by volcanoes that erupt far from the edges of tectonic plates—known as intraplate volcanoes ...

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift ...

Here’s what residents should know to protect their children, pets, homes and vehicles from the ash that scientists say is ...

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

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

The eruption lasted 29 hours between 9:26 a.m. Hawaiian time Wednesday through 1:49 p.m. Thursday, according to the U.S. Geological Survey. During the last eight hours, fountains shot up to 600 feet ...