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Volcanic Activity

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21 connected topics.


News and Opinion

Coverage of volcanic activity since October 9, 2021.

Tonga underwater volcano eruption triggers tsunami advisories

"...15, a further volcanic eruption triggered tsunami alerts for several Pacific nations, Australia, New Zealand and on the Pacific coastlines of Japan and the U. S..."

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New Zealand Gives Update on Tonga After Massive Volcano Eruption

"...New Zealand Gives Update on Tonga After Massive Volcano Eruption ..."

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Spain's La Palma volcano eruption declared over after 3 months

"...Authorities on one of Spain's Canary Islands declared a volcanic eruption that started in September officially finished Saturday following 10 days of no lava flows, seismic activity or significant sulfur dioxide emissions..."

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Indonesia volcano: Rescuers dig through smoldering ash, debris after 14 die

"...Semeru, the stratovolcano in shape of a cone, is also known as Mahameru, meaning “The Great Mountain” in Sanskrit. It has erupted many times over the last 200 years. Still, as with other volcanoes — it is one of 129 under watch in Indonesia, the world's largest archipelago — more than 62,000 people call Sumeru's fertile slopes home..."

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Indonesian rescuers dig through volcanic ash after 14 die

"...Indonesia, an archipelago of more than 270 million people, is prone to earthquakes and volcanic activity because it sits along the Pacific “Ring of Fire,” a horseshoe-shaped series of fault lines. Currently 54% of the country’s population live on Java, the country’s most densely populated area..."

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El Salvador wants to build a Bitcoin city at the base of a volcano

"...Enter volcanic geothermal power, which the Bukele administration is banking on to curb Bitcoin’s massive carbon footprint. El Salvador had already set up a working prototype near Tecapa volcano last month, although the returns thus far have been paltry. The actual technology involved isn’t too far-fetched, as El Salvador is home to 30 volcanoes, 20 of them active, and the country currently produces a quarter of all electricity from geothermal power..."

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Earth’s troposphere is expanding due to climate change

"...A new study has revealed yet another way that human-induced climate change is affecting the planet. Decades of weather balloon and satellite data has shown that the Earth’s troposphere is expanding, even after natural variations are accounted for. The troposphere is the lowest layer of the Earth’s atmosphere, extending from the land and sea surface to a height of around 6 km (3..."

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Why Climate-Change Geoengineering Feels Wrong

"...For decades, people have concocted “geoengineering” schemes: plan Bs to cool the planet back down to a safer temperature range if nations can't contain warming to below 2 degrees Celsius. (This negative outcome is all but guaranteed under current national climate plans and pledges. ) One of the most discussed geoengineering ideas is to dump sulfur out of aircraft into the stratosphere, which would mimic a cataclysmic volcanic eruption and cool the average global temperature within mere months..."

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With no sign of eruption's end, ash blankets La Palma island

"...LOS LLANOS DE ARIDANE, Canary Islands — A volcano on the Spanish island of La Palma that has been erupting for six weeks spewed greater quantities of ash from its main mouth Sunday, a day after producing its strongest earthquake to date..."

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La Palma volcano eruption shows no sign of slowing down 4 weeks in, officials say

"...Some 7,000 people have had to leave their homes. The volcano has produced a constant rumble and roar, with dozens of minor earthquakes most days, and has covered a wide area with volcanic ash. The ash plume is several kilometres high..."

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Strongest quake since volcano erupted shakes Spanish island

"...Military Emergency Unit personal clear black ash from volcano as it continues to erupt lava behind a church on the Canary island of La Palma, Spain on Wednesday Oct. 13, 2021. A new lava stream from an erupting volcano threatened to engulf another neighborhood on its way toward the Atlantic Ocean..."

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Beyond the lava: Where are volcanoes erupting and how long can they last?

"...This year, 68 eruptions in 29 countries have been reported, compared to 73 in 2020 and 74 the year before. Volcanoes have been erupting across the globe for thousands of years, with many remaining continuously active for decades. Despite spectacular images and videos of eruptions becoming more common in recent years, volcanologists say there is no reason to suggest that volcanic activity has increased worldwide..."

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Podcasts

Recent episodes that mention volcanic activity.

Clive Oppenheimer on the volcanic offerings of our angry earth

Duration: 28:46

"...Clive Oppenheimer has, more than once, been threatened with guns (a Life Scientific first?)..."

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Tamsin Mather on what volcanic plumes reveal about our planet

Duration: 28:15

"...To volcanologist Tamsin Mather, volcanoes are more than a natural hazard. ..."

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Informative Video

Discussions, Documentaries, and Investigative Reports about volcanic activity.

The Volcanoes of our Solar System - with Natalie Starkey

"...Over the course of her doctorate at Edinburgh University, studying the geochemistry of Arctic volcanoes, Natalie travelled to the volcanic fields of Iceland, the ancient volcanoes of northern Scotland and spent three months as a volcanologist on the island of Montserrat in the Caribbean..."

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Fine-tuning the climate | DW Documentary

"...Global warming is causing entire mountain ridges like the Moosfluh above Switzerland’s Aletsch Glacier to break off..."

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GREENLAND TSUNAMI Caught Fishermen Off Guard - Camera 3

"...Megatsunamis are caused by giant landslides and other impact events (including meteorite impacts in an ocean), while ordinary tsunamis are usually caused by underwater earthquakes or volcanic eruptions (which do not normally generate such large waves)..."

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GREENLAND TSUNAMI Hits Village Caught On Camera - Camera 2 (Multiple Clips) | Nuugaatsiaq, Greenland

"...Megatsunamis are caused by giant landslides and other impact events (including meteorite impacts in an ocean), while ordinary tsunamis are usually caused by underwater earthquakes or volcanic eruptions (which do not normally generate such large waves)..."

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Academic Research

Recent peer-reviewed papers about volcanic activity relevant to the latest news.

The Cultural-Based Model of Community Disaster Resilience in Merapi Communities in Indonesia

"...Disasters have caused massive damage, losses, and casualties around the world, which are caused by various types of hazards, such as floods, landslides, tsunamis, or volcanic eruptions..."

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The Economics of Volcanoes

"...Volcanic hazards pose a potential threat to 8% of the world?s population, yet the economic literature on their short- and long-term consequences on household behavior and economic development is still in its infancy..."

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Clustering activity at Mt Etna based on volcanic tremor: A case study

"...This paper deals with the classification of volcanic activity into three classes, referred to as Quite, Strombolian and Paroxysm..."

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Occurrence, sources and potential risks of polycyclic aromatic hydrocarbons in a permafrost soil core, northeast China

"...Factor analysis indicated that volcanic activity, diagenesis from biological precursors and palaeo forest fires were dominant PAH sources, while petroleum emission was identified in the active layer due to the construction of China?Russia oil pipeline..."

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Upper Mesozoic stratigraphy of Sikhote-Alin (Russian Far East) and northeastern China: Non-marine and marine correlations. Part

"...On the rest of the territory of northeastern China, upper Mesozoic rocks are represented by non-marine sedimentary and volcanogenic deposits..."

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Applying three-dimensional modeling based on trench surveys to chromitite orebodies in the BophiVum area, northwestern Myanmar

"...The BophiVum massif in northwestern Myanmar mainly consists of peridotite, mafic intrusive, and mafic volcanic rocks, oceanic sediments, and chromitites..."

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Inspired by Nature

"...Volcanic eruptions have the diversities in the time scales within 4..."

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Interoccurrence times and seismic hazard for upper-crustal volcanic chain earthquakes in El Salvador: are they Poissonian distr

"...We study the statistical properties of time intervals between successive earthquakes for a given magnitude in the El Salvador volcanic chain, namely hereafter the interoccurrence times employing both the cumulative Poisson and the Weibull probability distributions..."

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Twenty years of NASA-EOS multi-sensor satellite observations at Kīlauea volcano (2000–2019)

"...Recent eruptions of Kīlauea volcano, on the Island of Hawai'i, represent an ideal test location for studying volcanic plumes, due to its remote location and minimal anthropogenic pollution..."

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On the Features of Pyroclastic Deposits and Post-eruption Natural Hazards

"...Pyroclastic deposits of volcanic explosive eruptions are associated with both sedimentation of tephra and emplacement of pyroclastic density currents (PDCs) that travel on the flank of volcanoes..."

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Tectonic position, structure, and Holocene activity of the Hofsjökull volcanic system, central Iceland

"...Still, the fault scarps in the northern Hofsjökull fissure swarm are rather sharp, indicating little erosion by glaciers..."

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Contribution to petrogenesis of the Paleoproterozoic Basaltic Magmatism from the Araí continental rift, central Brazil

"...These new data are nicely correlated with the available isotopic data (U–Pb, Sm–Nd, Sr–Sr) on the acid volcanic and A-type granites from the basal portion of the Araí rift, indicating an important bimodal magmatic event, with volcano-plutonic characteristics, occurred during the continental syn-rift stage..."

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