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Volcanoes News
August 12, 2020

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Top Headlines
 

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

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 ...

Volcanic Activity and Changes in Earth's Mantle Were Key to Rise of Atmospheric Oxygen

Evidence from rocks billions of years old suggest that volcanoes played a key role in the rise of oxygen in the atmosphere of the early ...
Latest Headlines
updated 10:36pm EDT

Earlier Headlines
 

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 ...

Reconstructing Anak Krakatau Flank Collapse That Caused Dec. 2018 Indonesian Tsunami

A new study presents the detailed observation of a tsunami-generating volcano collapse by remote sensing. The study analyzes the 2018 collapse of Anak Krakatau, which triggered a tsunami that claimed ...

Crack in Pacific Seafloor Caused Volcanic Chain to Go Dormant

Geologists have discovered that 50 million years ago a chain of volcanoes between Northeast Asia and Russia were forced into a period of dormancy that lasted for 10 million ...

Underground Links Between Quakes and Eruptions of Japan's Biggest Active Volcano

To better understand subsurface processes associated with earthquakes and eruptions of Mount Aso, researchers investigated a very long period (VLP) seismicity dataset collected over two years. A new ...

How Do You Forecast Eruptions at Volcanoes That Sit 'on the Cusp' for Decades?

Some volcanoes take their time -- experiencing protracted, years-long periods of unrest before eventually erupting. This makes it difficult to forecast when they pose a danger to their surrounding ...

Geoengineering Versus a Volcano

Major volcanic eruptions spew ash particles into the atmosphere, which reflect some of the Sun's radiation back into space and cool the planet. But could this effect be intentionally recreated ...

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