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.....»»
Yellowstone Supervolcano Eruptions Were Even More Explosive Than We Knew
The last caldera-forming eruption at Yellowstone “was much more complex than previously thought,” according to the annual report about activity at the supervolcano.....»»
Eruption of Tonga underwater volcano found to disrupt satellite signals halfway around the world
An international team has used satellite- and ground-based ionospheric observations to demonstrate that an air pressure wave triggered by volcanic eruptions could produce an equatorial plasma bubble (EPB) in the ionosphere, severely disrupting satell.....»»
Despite rumblings, Colombia volcano survivor skeptical of repeat disaster
Screams, dismembered bodies among the thousands dead, and his town buried in mud. Survivor William Suarez remembers the horror of Colombia's Nevado del Ruiz volcanic eruption of 1985, but he dismisses authorities' latest warnings of a repeat......»»
Study reveals presence of Hunga Tonga eruption aerosols in Northern Hemisphere stratospheric westerlies
An international team led by researchers from the Institute of Atmospheric Physics (IAP) of the Chinese Academy of Sciences has detected aerosols from the Hunga Tonga eruption in the Northern Hemisphere stratospheric westerlies for the first time......»»
Minoan eruption survey improves volcanic risk assessments
Volcanic eruptions are spectacular, violent and dangerous. Large explosive eruptions can even have global impacts. To classify the size of volcanic eruptions, the magma volume and the deposition volume are determined. Volcanologists estimate these va.....»»
Colombia urges evacuation near volcano
Authorities in Colombia on Saturday recommended that towns closest to a rumbling, notorious volcano be evacuated, ahead of a a possible eruption......»»
Combining observations to better visualize a superflare
A team of Japanese astronomers used simultaneous ground-based and space-based observations to capture a more complete picture of a superflare on a star. The observed flare started with a very massive, high-velocity prominence eruption. These results.....»»
Is Colombia"s deadly Nevado del Ruiz on the verge of a major eruption?
Hundreds of villagers who live in the shadow of the Western Hemisphere's deadliest volcano, Colombia's Nevado del Ruiz, have been on edge for nearly a month ever since the 17,000-foot-tall mountain started spewing plumes of ash and steam high into th.....»»
2022 Tongan volcanic eruption was largest natural explosion in more than a century, new study finds
The 2022 eruption of a submarine volcano in Tonga was more powerful than the largest U.S. nuclear explosion, according to a new study led by scientists at the University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science and the Kha.....»»
Volcano eruption in Russia"s Kamchatka spews vast ash clouds
A volcano erupted early Tuesday on Russia's far eastern Kamchatka Peninsula, spewing clouds of dust 20 kilometers (12 miles) into the sky and covering broad areas with ash......»»
As Colombian volcano rumbles to life, villagers resist evacuation
Smoke billows from the crater of a snow-capped Andean volcano, reminding local inhabitants of the threat of another potential deadly eruption......»»
Was plate tectonics occurring when life first formed on Earth?
Earth is a dynamic and constantly changing planet. From the formation of mountains and oceans to the eruption of volcanoes, the surface of our planet is in a constant state of flux. At the heart of these changes lies the powerful force of plate tecto.....»»
Powerful solar eruption on far side of sun impacts Earth
A massive eruption of solar material, known as a coronal mass ejection or CME, was detected escaping from the sun at 11:36 p.m. EDT on March 12, 2023......»»
Indonesia"s Merapi volcano spews hot clouds in new eruption
Indonesia's Mount Merapi erupted Saturday with avalanches of searing gas clouds and lava, forcing authorities to halt tourism and mining activities on the slopes of the country's most active volcano......»»
Quake swarms at neighboring Alaska volcanoes raise concerns
Not one but two volcanoes on the same island in Alaska's Aleutian chain were rocked by earthquakes on Friday, prompting concerns about a possible eruption......»»
Swarm of quakes at Alaska volcano could mean eruption coming
A swarm of earthquakes occurring over the past few weeks has intensified at a remote Alaska volcano dormant for over a century, a possible indication of an impending eruption......»»
A pool at Yellowstone is a thumping thermometer
While the crowds swarm around Old Faithful to wait for its next eruption, a little pool just north of Yellowstone National Park's most famous geyser is quietly showing off its own unique activity, also at more-or-less regular showtimes. Instead of er.....»»
Eruption at Hawaii"s Kilauea volcano stops after 61 days
The latest eruption at Kilauea's summit on Hawaii's has paused after 61 days of volcanic activity......»»
Researchers reveal disturbances of Tonga volcanic eruption
Recently, a team led by Prof. Lei Jiuhou from University of Science and Technology of China (USTC) of the Chinese Academy of Sciences and the collaborators revealed the notable evidence of the dramatic thermospheric disturbances and global upper ther.....»»
Interaction between two filaments plays a key role in sympathetic filament eruptions
Solar sympathetic filament eruptions usually involve two or more filament eruptions that occur simultaneously or successively within a relatively short time interval with a certain causal linkage. The eruption of one filament may have an effect on an.....»»