Volcanoes News
June 29, 2023

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Research Reveals Sources of CO2 from Aleutian-Alaska Arc Volcanoes

Scientists have wondered what happens to the organic and inorganic carbon that Earth's Pacific Plate carries with it as it slides into the planet's interior along the volcano-studded Ring of Fire. A new study suggests a notable amount of such subducted carbon returns to the atmosphere rather than ...

Climate Change Will Increase Impacts of Volcanic Eruptions

Volcanic disasters have been studied since Pompeii was buried in 79 A.D., leading the public to believe that scientists already know why, where, when and how long volcanoes will erupt. But a volcanologist said these fundamental questions remain a ...

Effect of Volcanic Eruptions Significantly Underestimated in Climate Projections

Researchers have found that the cooling effect that volcanic eruptions have on Earth's surface temperature is likely underestimated by a factor of two, and potentially as much as a factor of four, in standard climate ...

A Tongan Volcano Plume Produced the Most Intense Lightning Rates Ever Detected

New research showed that the plume emitted by the Hunga Volcano eruption in 2022 created the highest lightning flash rates ever recorded on Earth, more than any storm ever ...

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Immense Diversity and Interdependence in High Temp Deep-Sea Microorganism Communities

A new study finds that microorganisms live in richly diverse and interdependent communities in high-temperature geothermal environments in the deep sea. By constructing genomes of 3,635 Bacteria and ...

Rare Opportunity to Study Short-Lived Volcanic Island Reveals Sulfur-Metabolizing Microbes

On the short-lived island of Hunga Tonga Hunga Ha'apai, researchers discovered a unique microbial community that metabolizes sulfur and atmospheric gases, similar to organisms found in deep sea ...

Predicting Lava Flow

A team is collecting data that will be used to create models that can help improve lava flow forecasting tools that are useful in determining how hazards impact populations. One such tool, known as ...

Using Drones to Monitor Volcanoes: Researchers Analyze Volcanic Gases With the Help of Ultra-Lightweight Sensor Systems

The main gases released by volcanoes are water vapor, carbon dioxide, and sulfur dioxide. Analyzing these gases is one of the best ways of obtaining information on volcanic systems and the magmatic ...

Signals from the Ionosphere Could Improve Tsunami Forecasts

The powerful volcanic eruption in January 2022 created ripple effects throughout the world's atmosphere and oceans. Analysis of the Hunga Tonga eruption shows how signals from the ionosphere ...

Monitoring 'Frothy' Magma Gases Could Help Evade Disaster

Volcanic eruptions are dangerous and difficult to predict. A team has found that the ratio of atoms in specific gases released from volcanic fumaroles (gaps in the Earth's surface) can provide ...

Tonga Volcano Had Highest Plume Ever Recorded

Using images captured by satellites, researchers have confirmed that the January 2022 eruption of the Hunga Tonga-Hunga Ha'apai volcano produced the highest-ever recorded plume. The colossal ...

Volcanic Activity and Low Ocean Oxygen Events Linked to Climate Warming and Rapid Ice Melt During Last Ice Age, Study Finds

A chemical analysis of sediment cores from the North Pacific Ocean show a consistent pairing of volcanic ash and hypoxia, a low ocean oxygen interval spanning thousands of years, during times of ...

Research Reveals Magma Activity Beneath Mount Edgecumbe

岩浆在激起Edgecumbe山火山in Southeast Alaska has been moving upward through Earth's crust, according to research the Alaska Volcano Observatory rapidly produced using a ...

Detailing a Disastrous Autumn Day in Ancient Italy

The Plinian eruption of Mount Vesuvius around 4,000 years ago -- 2,000 years before the one that buried the Roman city of Pompeii -- left a remarkably intact glimpse into Early Bronze Age village ...

Earth's Newest Secret: How Volcanoes Really Work

It isn't every day that we learn something that fundamentally changes how we understand our world. But for volcanologists across the globe, such a revelation has ...


Wave Created by Tonga Volcano Eruption Reached 90 Meters -- Nine Times Taller Than 2011 Japan Tsunami

New research reveals more about the magnitude of January eruption, as researchers call for better preparedness The eruption of the Hunga Tonga-Hunga Ha'apai volcano in January created an initial ...

Risk of Volcano Catastrophe 'a Roll of the Dice'

While funding is pumped into preventing low-probability scenarios such as asteroid collision, the far more likely threat of a large volcanic eruption is close to ignored -- despite much that could be ...

Risk of Volcano Catastrophe 'a Roll of the Dice', Say Experts

While funding is pumped into preventing low-probability scenarios such as asteroid collision, the far more likely threat of a large volcanic eruption is close to ignored -- despite much that could be ...

Volcanic Super Eruptions Are Millions of Years in the Making -- Followed by Swift Surge

Researchers have discovered that super-eruptions occur when huge accumulations of magma deep in the Earth's crust, formed over millions of years, move rapidly to the surface disrupting ...

Cloud Study Demystifies Impact of Aerosols

Aerosol particles in the atmosphere have a bigger impact on cloud cover -- but less effect on cloud brightness -- than previously thought, new research ...

New Method Can Improve Explosion Detection

Computers can be trained to better detect distant nuclear detonations, chemical blasts and volcano eruptions by learning from artificial explosion signals, according to a new ...

Shockwave Caused by Tonga Underwater Eruption May Help Scientists Predict Future Tsunami

Using data from the eruption of the underwater volcano near Tonga in 2022, researchers used disturbances in Earth's upper atmosphere to track the airwaves that cause tsunami. Their findings may ...

Fiber Optic Sensing Detects Tremor from Icelandic Subglacial Volcano

Researchers used a fiber optic cable on the ice cap of an Icelandic subglacial volcano to detect low-frequency volcanic tremor, suggesting this technology could be useful in monitoring other ...

Volcano's Eruption Will Help Scientists Plot Weather, Climate

As it captivated people around the world, the January eruption of the Hunga Tonga-Hunga Ha'apai volcano gave scientists a once-in-a-lifetime chance to study how the atmosphere works, unlocking ...

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