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.....»»
Listen to the seismic sounds as Iceland braces for likely volcanic eruption
"The activity is formidable, exciting, and scary." Enlarge / The Reykjanes Peninsula in Iceland is mostly a barren waste of lava fields. (credit: Vincent van Zeijst/CC BY 3.0) Intensifying seismic activity these past fe.....»»
Peculiar nova eruption inspected by astronomers
An international team of astronomers has employed NASA's Transiting Exoplanet Survey Satellite (TESS) to observe the eruption of Nova Vulpeculae 2021. Results of the observational campaign, published November 8 on the pre-print server arXiv, provide.....»»
Iceland on high alert for volcanic eruption—what we know so far
The Reykjanes peninsula in south-west Iceland trembled with an intense swarm of earthquakes on the afternoon of Friday November 10. Hundreds of quakes were detected on the regional networks of seismometers and several were strong enough to be felt in.....»»
Q&A: Is a volcano about to erupt in Iceland? Expert explains the telltale signs that an eruption might occur
Residents of Grindavik, a fishing town in southwestern Iceland, have evacuated and a state of emergency has been declared, as local authorities say a volcanic eruption may be imminent......»»
Quakes rock southwestern Iceland as volcanic eruption looms
Iceland declared a state of emergency on Friday after a series of powerful earthquakes rocked the country's southwestern Reykjanes peninsula, in what could be a precursor to a volcanic eruption......»»
Volcanic eruption: Scientists perform volcanic scenarios to develop response plan
What would happen if a volcano were to erupt tomorrow in New Mexico? How prepared as we as a society for an event like this to occur? When volcanic unrest occurs, both academic and government agencies need to have advanced fundamental understanding o.....»»
One of California"s riskiest volcanoes is very active. Is an eruption coming?
One of California's riskiest volcanoes has for decades been undergoing geological changes and seismic activity, which are sometimes a precursor to an eruption, but—thankfully—no supervolcanic eruptions are expected......»»
What caused the volcanic tsunami that devastated a Greek island 373 years ago?
Kolumbo underwater volcano's 1650 eruption killed 70 people on Santorini Island, Greece. Enlarge / This view from an international volcano monitoring system shows the Kolumbo volcanic crater on the seafloor. (credit: SANTORY ).....»»
New study shows Hunga-Tonga Hunga-Ha"apai eruption depleted ozone layer
A large team of atmospheric specialists has found that when the Hunga-Tonga Hunga-Ha'apai volcano erupted last year, it took part of the ozone layer with it. Their findings are published in the journal Science......»»
"Ring of fire" eclipse moves across the Americas, bringing with it cheers and shouts of joy
First came the darkening skies, then the crescent-shaped shadows on the ground, and finally an eruption of cheers by crowds that gathered Saturday along the narrow path of a rare "ring of fire" eclipse of the sun......»»
Potential source of ancient methane eruption identified
Seabed eruptions tied to the start of a sudden warming event 55 million years ago. Enlarge / 3D seismic image showing the crater of the Modgunn Vent and others like it. The cratered surface labelled "BVU" is the seabed of 56 mill.....»»
Living in fear on Italy"s Campi Flegrei volcano
As a child, Alfredo Colato cooked eggs on this southern Italian volcano. Today, he is poised to flee Campi Flegrei, as experts warn earthquakes rocking his hometown could herald an eruption......»»
A string of volcanic tremors raises fears of mass evacuations in Italy
Hundreds of small tremors have shaken a densely populated volcanic area west of the Italian city of Naples in recent weeks, pushing the government to quickly redraft mass evacuation plans, even though experts don't see an imminent risk of eruption......»»
Modeling shows fires from volcanic activity could greatly increase area affected by eruption
An international research team, including researchers from GNS Science, has released a study into the potential threat of fires caused by volcanic eruptions. The study investigated how far fires ignited by hot rock projectiles from a volcanic eruptio.....»»
NASA"s Chandra rewinds story of great eruption of the 1840s
Using snapshots taken over 20 years with NASA's Chandra X-ray Observatory, astronomers have learned important new details about an eruption from Eta Carinae witnessed on Earth in the mid-19th century......»»
Remarkable imagery shows NASA probe as it’s hit by a solar storm
A NASA spacecraft has for the first time flown through a solar eruption, capturing some remarkable imagery along the way......»»
Remarkable imagery shows NASA probe hit by a solar storm
A NASA spacecraft has for the first time flown through a solar eruption, capturing some remarkable imagery along the way......»»
Glaciers could provide powerful new volcano monitoring tool
Glaciers could become a powerful tool for monitoring some volcanoes, according to new research that shows for the first time how the altitude of glaciers located on volcanoes could signal future unrest including the threat of an eruption......»»
Tonga volcano unleashed fastest ever undersea flows: study
An unprecedentedly violent volcanic eruption that triggered a tsunami off the Pacific island nation of Tonga in 2022 unleashed the fastest underwater currents ever recorded, according to a study published on Thursday......»»
NASA researchers measure sinking land in American Samoa
On Sept. 29, 2009, an 8.1-magnitude earthquake struck near American Samoa, Samoa, and Tonga, triggering a tsunami that caused human casualties and $200 million in property damage on the islands. The earthquake also exacerbated another problem in Amer.....»»