Volcanology

Seismic Activity Under Alaskan Volcano May Indicate Imminent Eruption

Credit: PixabaySmall earthquakes beneath Alaska’s Mount Spurr suggest that the volcano may be nearing an eruption. Located about 3,370 meters (11,070 feet) above sea level, the mountain has experienced a surge in seismic activity recently, with thousands of minor earthquakes reported.Increased Chances of EruptionMatthew Haney, a volcano seismologist at the Alaska Volcano Observatory, informed...

Mystery of the Summer-Killing Volcano Uncovered

The caldera of Zavaritskii volcanoOleg Dirksen/University of St. AndrewsA longstanding mystery about a year that effectively skipped summer appears to have been resolved. Researchers, using advanced ice core analysis, have determined that the dramatic cooling of 1831 resulted from a massive volcanic eruption in a remote region north of Japan.1831: A Year of Global...

Iceland’s Volcanic Eruptions Could Last for Decades

Credit: PixabayAfter nearly 800 years of inactivity, volcanoes on Iceland's Reykjanes Peninsula are reawakening with increased intensity. Since 2021, eight eruptions have occurred, driven by a shallow magma reservoir approximately 10 kilometers wide and located just 9-12 kilometers beneath the surface, according to new research.Geologist Valentin Troll from Uppsala University in Sweden, who led...

Volcanic Ash: Efficient and Budget-Friendly Solar Storage

Pyroclastic flow and clouds of volcanic ash as Krakatoa eruptsDepositphotosWhen a region finds itself covered in volcanic ash, it's usually not a positive development. However, researchers from the University of Barcelona have uncovered a unique set of beneficial characteristics in volcanic ash, rendering it remarkably valuable as an energy storage medium.We've discussed both incredibly...

Supervolcano Eruption Sheds Light on Human Migration from Africa

A volcanic eruption. Credit: PixabayContrary to previous assumptions regarding the migration of modern humans out of Africa, it is suggested that some movement may have been prompted not by 'green corridors,' but by hardship or deprivation.A recent analysis involving volcanic glass discovered in Ethiopia suggests that humans inhabited regions experiencing potential drought conditions in...

Seismic Shifts: USGS Reveals Innovative Earthquake Hazard Map

A recent study from the U.S. Geological Survey shows that roughly 75% of the United States is at risk of harmful earthquakes, as the updated National Seismic Hazard Model indicates. Covering all 50 states, the model emphasizes heightened risks along the Atlantic Coast and in earthquake-prone areas like California and Alaska. This information is...

Lo’s Global Volcanic Activity Results from Focused Tidal Heating in its Upper Mantle

Hot spot detections. The maximum, unsaturated 4.8 μm (M-band) spectral radiances from 266 hot spots identified in Juno JIRAM data obtained from March 2017 to July 2022, using data from orbits PJ5 to PJ43 grouped by order of magnitude. The larger the symbol, the greater the 4.8 μm spectral radiance. This is an equal-area Mollweide projection...

Formation of a New Volcanic Island off the Coast of Japan

Greetings to the newly formed Japanese island, whose name remains undisclosed. Credit: Japan's Maritime Self-Defense ForceIn late October, a remarkable natural event unfolded as an underwater eruption gave rise to a brand-new volcanic island along the coast of Japan. This intriguing phenomenon, marked by billowing smoke and gradual expansion, has captured the world's attention.Emergence...

Alaska Volcano’s Week-Long Eruption Eases After Massive Ash Cloud Emission

Credit: DepositphotosWarnings were issued to pilots due to the immense size of the ash cloud produced by an ongoing eruption of a remote volcano in Alaska's Aleutian Islands on Tuesday.The Alaska Volcano Observatory reported that the morning eruption of Shishaldin Volcano produced an ash cloud reaching approximately 5.5 miles (8.9 kilometers) in height. However,...

Exactly How a Volcanic Bombardment in Old Australia Caused the Globe’s Best Climate Disaster

Credit: singularityhub.Some 252 million years ago, the world was going through a turbulent period of fast global warming. To recognize what created it, researchers have wanted to one certain event in which a volcanic eruption in what is now Siberia spewed big volumes of greenhouse gas right into the ambiance.However, there is proof the...