Volcanoes 211Ʊ
October 22, 2020

Top Headlines

Volcanic Ash May Have a Bigger Impact on the Climate Than We Thought

Volcanic ash shuts down air traffic and can sicken people. But a new study suggests that it may also be more important for Earth's climate than scientists once ...

Cooling of Earth Caused by Eruptions, Not Meteors

Ancient sediment found in a central Texas cave appears to solve the mystery of why the Earth cooled suddenly about 13,000 years ...

How Volcanoes Explode in the Deep Sea

Explosive volcanic eruptions are possible deep down in the sea -- although the water masses exert enormous pressure ...

Eruption of Alaska's Okmok Volcano Linked to Period of Extreme Cold in Ancient Rome

Scientists and historians have found evidence connecting an unexplained period of extreme cold in ancient Rome with an unlikely source: a massive ...
Latest Headlines
updated 9:37am EDT

Earlier Headlines

The Testimony of Trees: How Volcanic Eruptions Shaped 2000 Years of World History

Researchers have shown that over the past two thousand years, volcanoes have played a larger role in natural temperature variability than previously thought, and their climatic effects may have ...

Largest and Hottest Shield Volcano on Earth

Researchers revealed the largest and hottest shield volcano on Earth. A team of volcanologists and ocean explorers used several lines of evidence to determine which volcano holds that ...

New Study Takes the Pulse of a Sleeping Supervolcano

Under the volcanoes in the Andes where Chile, Argentina and Bolivia meet, there is a gigantic reservoir of molten magma. For several million years, it has been there without fully solidifying or ...

Excessive Rainfall May Have Triggered 2018 Kilauea Eruption

Volcanoes erupt when molten rock called magma rises to the surface, and many factors, from the shape of the volcano to the composition of the magma, factor into the timing of eruptions. In the case ...

Tree Rings Could Pin Down Thera Volcano Eruption Date

Research has anchored a long sequence of tree rings, providing context for the civilizations that existed throughout the Bronze and Iron Ages, including the eruption of ...

South American Volcano Showing Early Warning Signs of 'Potential Collapse'

One of South America's most prominent volcanoes is producing early warning signals of a potential collapse, new research has ...

Peeking at the Plumbing of One of the Aleutian's Most-Active Volcanoes

A new approach to analyzing seismic data reveals deep vertical zones of low seismic velocity in the plumbing system underlying Alaska's Cleveland volcano, one of the most-active of the more than ...

Pre-Eruption Seismograms Recovered for 1980 Mount St. Helens Event

Nearly 40 years ago, analog data tapes faithfully recorded intense seismic activity in the two months before the historic eruption of Mount St. Helens in Washington State in May 1980. It took some ...

No Need to Dig Too Deep to Find Gold!

Why are some porphyry deposits rich in copper while others contain gold? A researcher investigated how the metals are accumulated over the time duration of a mineralizing event and discover that the ...

Formation of a Huge Underwater Volcano Offshore the Comoros

A new submarine volcano was formed off the island of Mayotte in the Indian Ocean in 2018. This was shown by an oceanographic campaign in May 2019. Now an international team has illuminated the ...

Volcano F Is the Origin of Pumice-Rafts Near Australia

Since August a large accumulation of pumice has been drifting in the Southwest Pacific towards Australia. Researchers have now identified the origin of this pumice raft. It is a so far nameless ...

New, Young Volcano Discovered in the Pacific

Researchers have discovered a new petit-spot volcano at the oldest section of the Pacific ...

Living at the Edge of an Active Volcano: Risk from Lava Flows on Mount Etna

On Mt. Etna volcano, inhabited areas have been inundated repeatedly by lava flows in historical times. The increasing exposure of a larger population, which has almost tripled in the area around Mt. ...

Secret of Explosive Volcanism Unlocked

When will the next eruption take place? Examination of samples from Indonesia's Mount Merapi show that the explosivity of stratovolcanoes rises when mineral-rich gases seal the pores and ...

Volcanic Ash Sparks a New Discovery

Imagine you're getting ready to fly to your favorite vacation destination when suddenly a volcano erupts, sending massive amounts of volcanic ash into the atmosphere, and forcing the ...

What Happens Under the Yellowstone Volcano?

A recent study helps to better explain the processes in the Earth's interior beneath the Yellowstone ...

Early Warning Signals Heralded Fatal Collapse of Krakatau Volcano

On 22 December 2018, a flank of the Anak Krakatau plunged into the Sunda strait between the Indonesian islands of Sumatra and Java, triggering a tsunami that killed 430 people. An international ...

New Volcanic Eruption Forecasting Technique

Volcanic eruptions and their ash clouds pose a significant hazard to population centers and air travel, especially those that show few to no signs of unrest beforehand. Geologists are now using a ...

Kilauea Lava Fuels Phytoplankton Bloom Off Hawai'i Island

When Kilauea Volcano erupted in 2018, it injected millions of cubic feet of molten lava into the nutrient-poor waters off the Big Island of Hawai'i. The lava-impacted seawater contained high ...

The 'Universal Break-Up Criterion' of Hot, Flowing Lava?

The new 'universal break-up criterion' won't help with meltdowns of the heart, but it will help volcanologists study changing lava conditions in common volcanic ...

Monday, September 28, 2020
Thursday, May 14, 2020
Thursday, April 23, 2020
Wednesday, April 22, 2020
Monday, March 30, 2020
Tuesday, February 18, 2020
Tuesday, February 4, 2020
Thursday, January 30, 2020
Tuesday, January 14, 2020
Monday, January 6, 2020
Monday, December 9, 2019
Wednesday, December 4, 2019
Monday, November 25, 2019
Friday, November 15, 2019
Monday, October 21, 2019
Thursday, October 17, 2019
Tuesday, October 1, 2019
Tuesday, September 10, 2019
Thursday, September 5, 2019
Friday, August 30, 2019
Monday, August 26, 2019
Thursday, August 22, 2019
Tuesday, August 6, 2019
Monday, August 5, 2019
Wednesday, July 31, 2019
Thursday, July 18, 2019
Monday, July 15, 2019
Monday, July 8, 2019
Friday, June 7, 2019
Thursday, May 23, 2019
Thursday, May 16, 2019
Wednesday, May 15, 2019
Friday, April 26, 2019
Thursday, April 25, 2019
Friday, March 22, 2019
Wednesday, March 20, 2019
Thursday, February 28, 2019
Thursday, February 14, 2019
Monday, January 28, 2019
Thursday, January 24, 2019
Monday, January 7, 2019
Monday, December 10, 2018
Tuesday, December 4, 2018
Monday, November 26, 2018
Tuesday, November 20, 2018
Wednesday, October 24, 2018
Wednesday, October 10, 2018
Friday, September 28, 2018
Wednesday, September 19, 2018
Tuesday, September 11, 2018
Thursday, September 6, 2018
Tuesday, September 4, 2018
Wednesday, August 22, 2018
Wednesday, August 15, 2018
Tuesday, August 7, 2018
Tuesday, July 31, 2018
Thursday, July 26, 2018
Friday, July 13, 2018
Wednesday, June 27, 2018
Thursday, June 28, 2018
Friday, June 15, 2018
Thursday, June 7, 2018
Monday, June 4, 2018
Thursday, May 24, 2018
Thursday, May 17, 2018
Tuesday, May 15, 2018
Thursday, May 3, 2018
Wednesday, May 2, 2018
Monday, April 30, 2018
Wednesday, April 25, 2018
Monday, April 16, 2018
Thursday, April 12, 2018
Tuesday, April 3, 2018
Friday, March 30, 2018
Thursday, March 29, 2018
Wednesday, March 28, 2018
Wednesday, March 14, 2018
Tuesday, March 13, 2018
Thursday, March 1, 2018
Tuesday, February 27, 2018
Thursday, February 22, 2018
Friday, February 9, 2018
Wednesday, January 24, 2018
Tuesday, January 23, 2018
Thursday, January 18, 2018
Wednesday, January 10, 2018
Wednesday, December 13, 2017
Monday, December 11, 2017
Wednesday, December 6, 2017
Monday, December 4, 2017
Wednesday, November 29, 2017
Tuesday, November 28, 2017