They tend to inflate like a balloon in between eruptions. At Axial, the sea floor is actually rising, and that’s a big signal ...

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano ...

Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...

Hawaiian Volcano Observatory reports that fountains rapidly grew into vigorous 500-foot molten rock geisers that ejected from the vent as they fed lava flows that had covered about 10% to 20% of the ...

Each episode of Halemaumau lava fountaining since the current on-again, off-again eruption began on Dec. 23, 2024, has continued for 13 hours to 8 days, with pauses between episodes lasting from less ...

They shoot molten lava and toxic gases miles into the atmosphere and when the lava is too thick to run over the top, it can create what geologists like Dr. Pat Abbott call a plug dome volcano.

The park is home to more than 40 volcanoes, bubbling mudpots, steaming fumaroles, stunning mountain views and vast, naturally dark skies. The park's namesake peak is the one of the largest plug dome ...

Covering 500 square kilometres, the complex comprises numerous volcanic domes, cones, lava flows, and an estimated 130 vents. Chile's National Geology and Mining Service - Sernageomin - has ...

Nyamuragira is a dome-shaped shield volcano that stands up to 10,033 feet (3,058 meters) tall, while Nyiragongo is a stratovolcano, with a steep cone that towers up to 11,385 feet (3,470 m ...

Scientists said “episode 18” of Kilauea volcano’s ongoing eruption restarted ... frequency until 9:30 p.m. when 10 to 15 foot high dome fountains appeared. Lava flow overflowed from the ...