Volcanology

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...

6 Mysterious Natural Sensations

Mysterious Natural Phenomena. Credit: our breathing planet.Phantasm Humanity still makes every effort to resolve much of the globe's natural strange phenomena, also after about 6,000 years of people. They come in all kinds, each has its own allure, they all captivate our creative imaginations and some could be straight-out distressing. A number of these...

The Danger of Catastrophic Supervolcano Eruptions is Ever-present

wenaturalists.comCurtin researchers are part of an international research group that examined an ancient supervolcano in Indonesia and discovered that such volcanoes continue to be active and dangerous for hundreds of years after a super-eruption, motivating the need for a rethink of exactly how these possibly devastating events are forecasted.Associate Professor Martin Danišík, the lead...

Which Volcano is the World’s Largest?

Map of World's Largest Volcanoes. Credit: Hobart M. King, Ph.D.The map displayed above illustrates the locations of the world's major volcanoes.The Tamu Massif, which is located on the Shatsky Rise in the northwest corner of the Pacific Ocean, has the greatest mass and footprint. Mauna Kea, located on the Hawaiian island of Oahu, has...

Mount Rainier – Living Safely With a Volcano in Your Backyard

Mount Rainier towers over Seattle's growing suburbs and Tacoma, Washington, rising more than 3 miles (14,410 feet) above sea level. Over the course of a year, about two million visitors explore Mount Rainier National Park to see the volcano, glaciers, forested ridges, and alpine meadows. The volcano's elegance, though, is deceiving.Mount Rainier is considered...