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Looking back at the Tonga eruption

A new analysis of seismic data recorded after the massively violent eruption of the underwater volcano Hunga Tonga-Hunga Ha'apai, on January 15, 2022, has revealed new and useful information on the sequence of events. Kotaro Tarumi and Kazunori Yoshi.....»»

Category: topSource:  physorgJan 27th, 2023

"Like a shotgun": Tongan eruption is largest ever recorded

A deadly volcanic eruption near Tonga in January was the largest ever recorded with modern equipment, a New Zealand-led team of scientists revealed Monday......»»

Category: topSource:  physorgRelated NewsNov 21st, 2022

Capturing shockwaves from a volcano with a handmade air pressure sensor

The largest volcanic eruption of the 21st century so far happened last winter, off the coast of the island nation of Tonga. Louisiana State University Department of Oceanography & Coastal Sciences Professor Chunyan Li captured it in an unexpected way.....»»

Category: topSource:  theglobeandmailRelated NewsNov 17th, 2022

Scientists identify the highest-ever recorded volcanic plume

Using images captured by satellites, researchers in the University of Oxford's Department of Physics and RAL Space have confirmed that the January 2022 eruption of the Hunga Tonga-Hunga Ha'apai volcano produced the highest-ever recorded plume. The co.....»»

Category: topSource:  physorgRelated NewsNov 3rd, 2022

Hunga Ha"apai volcano blasted sulfate aerosols and a record-breaking amount of water vapor into the stratosphere

The January 15, 2022 eruption of underwater Hunga Tonga–Hunga Ha'apai volcano triggered a tsunami that flattened buildings, displaced residents, and resulted in at least four deaths across the islands of Tonga. The powerful blast sent waves ripplin.....»»

Category: topSource:  physorgRelated NewsOct 25th, 2022

A New Tool for Eruption Forecasting: Carbon-Catching Drones

In the future, remote-controlled quadcopters might mean that researchers won’t have to crawl inside volcanoes to collect carbon dioxide anymore......»»

Category: gadgetSource:  wiredRelated NewsOct 19th, 2022

One does not simply detonate a volcano into Mordor: A scientist explains the problems with that Rings of Power episode

In the blockbuster fantasy series The Lord of the Rings: The Rings of Power, one of the principal antagonists, the wicked Adar, diverted a river into the labyrinth of tunnels under a dormant Mount Doom to trigger an explosive volcanic eruption. This.....»»

Category: topSource:  physorgRelated NewsOct 18th, 2022

Detailing a disastrous autumn day in ancient Italy

Volcanic eruptions evoke images of lava, fire, and destruction; however, this is not always the case. 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 remarkabl.....»»

Category: topSource:  physorgRelated NewsSep 29th, 2022

Tonga is home to 170 islands. A new one just formed from an underwater volcanic eruption

The Pacific nation of Tonga is made up of 170 islands, but it just welcomed its newest addition—thanks to an underwater volcano......»»

Category: topSource:  physorgRelated NewsSep 28th, 2022

NASA’s Earth Observatory spots newly birthed island in the Pacific

NASA has spotted a newly birthed island out in the Pacific Ocean. The island is the result of a series of eruptions from a volcano situated in the Home Reef, a seamount in the Central Tonga Islands. NASA says the seamount repeatedly oozed lava and ej.....»»

Category: topSource:  theglobeandmailRelated NewsSep 23rd, 2022

Hunga Tonga eruption put over 50B kilograms of water into the stratosphere

New study shows eruption plume circled the globe multiple times in the stratosphere. Enlarge / The Hunga Tonga eruption started under water, yet still blasted straight through much of the atmosphere. (credit: NASA) In January.....»»

Category: topSource:  arstechnicaRelated NewsSep 22nd, 2022

Tonga volcano blast was unusual, could even warm the Earth

When an undersea volcano erupted in Tonga in January, its watery blast was huge and unusual—and scientists are still trying to understand its impacts......»»

Category: topSource:  physorgRelated NewsSep 22nd, 2022

New system could provide early warning of Whakaari eruption risk

Kiwi volcanologists and engineers have finished testing an automated system that provides a warning when an eruption on Whakaari (White Island) becomes more likely......»»

Category: topSource:  physorgRelated NewsSep 14th, 2022

Risk of volcano catastrophe "a roll of the dice," say experts

The world is "woefully underprepared" for a massive volcanic eruption and the likely repercussions on global supply chains, climate and food, according to experts from the University of Cambridge's Center for the Study of Existential Risk (CSER), and.....»»

Category: topSource:  physorgRelated NewsAug 17th, 2022

New study says an explosion of debris from Earth may have given birth to the Moon

Eons ago, when the Earth was still barely formed, scientists believe a fiery eruption or collision sent a massive spray of debris out into space. That debris, they say, would have then fueled the birth of the Moon. This isn’t exactly a new idea. Sc.....»»

Category: gadgetSource:  bgrRelated NewsAug 15th, 2022

"Indescribable": the heat and roar of Iceland"s volcano

The ground rumbles underfoot, then roars as red-orange lava fountains shoot up from the ground, the intense heat cloaking the nearby crowd awestruck by Iceland's latest volcanic eruption......»»

Category: topSource:  physorgRelated NewsAug 4th, 2022

NASA: Tonga Volcanic Eruption Blasted ‘Unprecedented’ Amount of Water Into Atmosphere

NASA: Tonga Volcanic Eruption Blasted ‘Unprecedented’ Amount of Water Into Atmosphere.....»»

Category: topSource:  extremetechRelated NewsAug 4th, 2022

Scientists provide explanation for exceptional Tonga tsunami

Scientists say they have identified the exact mechanism responsible for the exceptional tsunami that spread quickly across the world after the colossal eruption of the Tonga volcano earlier this year......»»

Category: topSource:  physorgRelated NewsJun 13th, 2022

Volcano ash blankets Philippine towns after second eruption this week

A volcano in the Philippines spewed a huge column of ash into the sky on Sunday, blanketing a region still recovering from last week's eruption......»»

Category: topSource:  physorgRelated NewsJun 12th, 2022

Ash covers towns after Philippines volcano eruption

A volcano in the eastern Philippines spewed a huge, dark cloud on Sunday, prompting evacuations from ash-covered towns while authorities warned of possible further eruptions......»»

Category: topSource:  physorgRelated NewsJun 5th, 2022

Great timing and supercomputer upgrade lead to successful forecast of volcanic eruption

In the fall of 2017, geology professor Patricia Gregg and her team had just set up a new volcanic forecasting modeling program on the Blue Waters and iForge supercomputers. Simultaneously, another team was monitoring activity at the Sierra Negra volc.....»»

Category: topSource:  physorgRelated NewsJun 3rd, 2022