Tag

Supervolcanoes

All articles tagged with #supervolcanoes

science2 years ago

"Unveiling the Threat: Supervolcanoes and a Revolutionary Wooden Satellite in Science News"

This week in science news, researchers discovered four supervolcano "megabeds" in the Mediterranean Sea, Iceland braces for an imminent volcanic eruption, NASA and JAXA plan to launch the world's first wooden satellite, and scientists uncover new findings about the spinning black hole at the center of our galaxy and the disruptive effects of a powerful gamma-ray burst. Additionally, scientists discovered a new hydrothermal vent in the Galápagos, learned about the migration patterns of crabs, and found that elephants communicate using low-pitched rumbles. Other news includes outbreaks of Salmonella linked to pets, the development of "bionic breasts" for breast cancer survivors, and advancements in CRISPR gene editing. Archaeologists also made discoveries related to ancient temples and Stone Age hunting techniques, while colorful metal spherules found in the Pacific Ocean were determined to be the byproduct of burning coal on Earth.

science2 years ago

"Unveiling the Threat: Understanding Supervolcanoes and Their Implications"

Recent earthquake activity at Campi Flegrei, a supervolcano in southern Italy, has raised concerns about a potential super eruption. However, scientists explain that being labeled a supervolcano does not necessarily mean it will have future super eruptions. Supervolcanoes are defined by their past super eruptions, which are extremely rare events. While the recent activity is a cause for concern, it does not guarantee an eruption. Only about 20 out of over 1,000 known volcanoes are considered supervolcanoes. These eruptions leave behind depressions known as calderas. Yellowstone, one of the most famous supervolcanoes, has had smaller eruptions since its last super eruption 2.1 million years ago. Scientists are skeptical about the possibility of another super eruption at Yellowstone and Campi Flegrei, but smaller eruptions could still have significant impacts.

science2 years ago

"Potential Catastrophe: Two Dormant Supervolcanoes Stirring, Scientists Warn"

Two "supervolcanoes," Campi Flegrei in Italy and Long Valley Caldera in California, are showing signs of awakening with increased seismic activity. While scientists have been monitoring these calderas for decades, they believe that neither volcano is currently in danger of erupting. Calderas are challenging to predict due to their large size and complex magmatic systems. Although the Long Valley Caldera has experienced seismic activity, indications of cooling magma make a significant eruption less likely. While an eruption cannot be ruled out entirely, the solid rock structure covering the magma chamber may prevent large eruptions from occurring.

science2 years ago

"Scientists Focused on Two Distant Supervolcanoes"

Two supervolcanoes, Campi Flegrei in Italy and Long Valley Caldera in California, have been experiencing seismic unrest, raising concerns about potential eruptions. While experts believe there is no immediate threat, the seismic activity indicates changes in the volcanoes' crust structures. Campi Flegrei has shown a slower and longer uplift compared to previous periods of unrest, suggesting a weakening crust. However, the presence of a solid rock structure covering the magma chamber at Long Valley Caldera makes major eruptions unlikely. Scientists are using innovative methods, such as acoustic sensing with fiber-optic cables, to better understand these complex volcanic systems and improve eruption forecasts.

science2 years ago

"Scientists Focused on Two Distant Supervolcanoes"

Two long-dormant supervolcanoes, Campi Flegrei in Italy and Long Valley Caldera in California, have been experiencing seismic unrest, raising concerns about potential eruptions. While experts say there is no immediate threat, the seismic activity indicates changes in the volcanoes' crusts. Campi Flegrei's uplift has been slower and longer-lasting compared to previous periods of unrest, suggesting a weakening crust. However, even if a rupture occurs, it does not guarantee a volcanic eruption. Similarly, the Long Valley Caldera has seen increased earthquake activity but has shown signs of cooling magma, reducing the likelihood of a major eruption. Scientists are using innovative methods to study these complex volcanic systems and improve eruption forecasting.

science2 years ago

"Awakening Giants: Dormant Supervolcanoes Stir with Seismic Activity"

Two long-dormant supervolcanoes, Campi Flegrei in Italy and Long Valley Caldera in California, are showing signs of seismic unrest, with thousands of minor earthquakes recorded in recent months. While experts say there is no immediate threat of an eruption, the seismic activity has raised concerns in the surrounding communities. Scientists have been studying these calderas, which are more challenging to forecast compared to traditional volcanoes, to better understand their behavior and potential for eruptions. The research includes analyzing ground uplift, changes in the volcano's crust, and using novel methods like acoustic sensing with fiber-optic cables. While eruption forecasts remain difficult, these studies aim to improve understanding and monitoring of volcanic activity.