Geology News

January 26, 2025

Top Headlines

Subterranean 'Islands': Strongholds in a Potentially Less Turbulent World

Jan. 22, 2025 — Deeply hidden in Earth's mantle there are two huge 'islands' with the size of a continent. New research shows that these regions are not only hotter than the surrounding graveyard of cold sunken tectonic plates, but also that they must be ancient: ...

Claims for the World's Deepest Earthquake Challenged by New Analysis

Jan. 23, 2025 — The magnitude 7.9 Bonin Islands earthquake sequence, which ruptured deep within the earth near the base of the upper mantle, did not include an aftershock that extended to record depths into the lower mantle, according to a new ...

New Evidence Suggests Megaflood Refilled the Mediterranean Sea Five Million Years Ago

Jan. 21, 2025 — A new study provides compelling new evidence that a colossal 'megaflood' refilled the Mediterranean Sea, ending a period during which the Med was a vast expanse of salt flats. The study suggests the ...

We Can Make Fertilizer More Efficiently Under the Surface of the Earth

Jan. 21, 2025 — Instead of relying on energy-hungry reactors to generate high temperatures and pressure, researchers are looking underground at Earth's natural heat and forces to cook up ammonia for fertilizer. In a proof-of-concept study, researchers generated ...

Latest Headlines

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Researchers Unlock Probable Hot Spots for Critical Metals

Jan. 8, 2025 — New research has identified the probable locations for critical metals needed to support a green ...

Oil Extraction Might Have Triggered Small Earthquakes in Surrey, England

Jan. 9, 2025 — A series of more than 100 small earthquakes in Surrey in 2018 and 2019 might have been triggered by oil extraction from a nearby well, suggests a new ...

Scorching Climate Drove Lampreys Apart During Cretaceous Period

Jan. 8, 2025 — A new study finds that one of the hottest periods in Earth's history may have driven lampreys apart -- genetically speaking. The work could have implications for how aquatic species respond to our ...

Earth's Air War: Explaining the Delayed Rise of Plants, Animals on Land

Jan. 7, 2025 — If you like the smell of spring roses, the sounds of summer birdsong, and the colors of fall foliage, you have the stabilization of the ozone layer to thank for it. Located in the stratosphere, where ...

Pluto-Charon Formation Scenario Mimics Earth-Moon System

Jan. 7, 2025 — A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size ...

Denali Fault Tore Apart Ancient Joining of Two Landmasses

Dec. 19, 2024 — New research shows that three sites spread along an approximately 620-mile portion of today's Denali Fault were once a smaller united geologic feature indicative of the final joining of two land ...

Scientists Solving Meteorological Mysteries on Mars

Dec. 19, 2024 — Scientists are changing our understanding of climate and weather on Mars and providing critical insights into Earth's atmospheric processes as ...

Diversity of Novel Hydrothermal Vent Styles on the Arctic Ocean Floor

Dec. 19, 2024 — A new study about Earth's northernmost seafloor hydrothermal system shows even more variety in vent styles than previously thought. The study has important implications for understanding the origin ...

Origins of Lunar Water and Its Connection to Earth's Early History

Dec. 19, 2024 — Scientists have unveiled groundbreaking research on the origins of lunar water, offering insights that could reshape our understanding of the Earth-Moon system and the broader solar system. The ...

Prehistoric Rock in Japan Reveals Clues to Major Ocean Anoxic Event

Dec. 17, 2024 — Researchers analyzed radioisotopes in layers of fossilized volcanic ash. Decay of uranium to lead within tiny crystals enabled scientists to precisely pinpoint dates for certain events. They ...

Unlocking the Journey of Gold Through Magmatic Fluids

Dec. 16, 2024 — When one tectonic plate sinks beneath another, it generates magmas rich in volatiles such as water, sulphur and chlorine. As these magmas ascend, they release magmatic fluids, in which sulphur and ...

New Simulation Method Sharpens Our View Into Earth's Interior

Dec. 16, 2024 — How does the Earth generate its magnetic field? While the basic mechanisms seem to be understood, many details remain unresolved. A team of researchers has introduced a simulation method that ...

Antarctica's Irregular Heartbeat Shows Signs of Rapid Melting

Dec. 10, 2024 — Geoscientists have created a new climate record for early Antarctic ice ages. It reveals that the early Antarctic ice sheet melted more rapidly than previously ...

Massive Asteroid Impacts Did Not Change Earth's Climate in the Long Term

Dec. 4, 2024 — Two massive asteroids hit Earth around 35.65 million years ago, but did not lead to any lasting changes in the Earth's climate, according to a new ...

Unveiling a Century of Stress and Deformation: Insights from Kilauea Volcano's 1975 Earthquake

Dec. 2, 2024 — Scientists assessed an unprecedented 120 years of data from K lauea Volcano on Hawai'i Island, uncovering, for the first time, century-spanning patterns of deformation and stress changes. They ...

New Research Provides an Improved Understanding of Earthquake Hazards in the Permian Basin

Dec. 2, 2024 — A new collection of published papers offers the most detailed and comprehensive breakdown yet of how water injected into the Permian Basin during oil and gas operations is changing subsurface ...

Moving 'Hotspot' Created World's Longest Straight Underwater Mountain Belt

Nov. 27, 2024 — New research has revealed that the Ninetyeast Ridge -- the Earth's longest straight underwater mountain chain -- formed through a different process than previously believed. Stretching 5000 km ...

Sliding Seeds Can Provide Insight Into Devastating Landslides and Rock Avalanches

Nov. 19, 2024 — Researchers study how Champatis roll and bounce down inclines. The authors released a heap of the seeds down an inclined plane while a camera recorded their descent to analyze their speed and the ...

Study Challenges Long-Held Theories on How Migratory Birds Navigate

Nov. 19, 2024 — Migratory birds are known for their ability to traverse thousands of kilometres to reach their breeding or wintering grounds. Research found that these birds, in this case, Eurasian reed warblers ...

How 70% of the Mediterranean Sea Was Lost 5.5 Million Years Ago

Nov. 18, 2024 — A new study has highlighted just how significantly the level of the Mediterranean Sea dropped during the Messinian Salinity Crisis -- a major geological event that transformed the Mediterranean into ...

New Research Explores Volcanic Caves, Advancing the Search for Life on Mars

Nov. 18, 2024 — Through the intricate study of lava tubes -- caves formed following volcanic eruptions when lava cools down -- an international team of researchers has uncovered clues about Earth's ancient ...

Spectacular Chimneys Discovered in the Dead Sea

Nov. 14, 2024 — Researchers have discovered meter-high chimneys on the floor of the Dead Sea. These are formed by the spontaneous crystallization of minerals from groundwater with an extremely high salt content ...

Scientists Compile Library for Evaluating Exoplanet Water

Nov. 14, 2024 — By probing chemical processes observed in the Earth's hot mantle, scientists have started developing a library of basalt-based spectral signatures that not only will help reveal the composition ...

Was 'Snowball Earth' a Global Event? Study Delivers Best Proof Yet

Nov. 11, 2024 — A series of rocks hiding around Colorado's Rocky Mountains may hold clues to a frigid period in Earth's past when glaciers several miles thick covered the entire ...

Geologists Rewrite Textbooks With New Insights from the Bottom of the Grand Canyon

Nov. 8, 2024 — Geoscientists employed current-day stratigraphic, depositional and paleontological models, along with modern technological muscle to provide updated insights of the Cambrian period of the Grand ...

Pioneering Planetary Boundaries Science as Key to Mitigating Rising Planetary Risks

Nov. 8, 2024 — The Planetary Boundaries framework is a pivotal tool for tackling the climate crisis and safeguarding humanity's future on Earth. For the first time, the full story of the Planetary Boundaries ...

Groundbreaking Study Provides New Evidence of When Earth Was Slushy

Nov. 5, 2024 — At the end of the last global ice age, the deep-frozen Earth reached a built-in limit of climate change and thawed into a slushy planet. Results provide the first direct geochemical evidence of the ...

New Trigger Proposed for Record-Smashing 2022 Tonga Eruption

Nov. 4, 2024 — Fifteen minutes before the massive January 2022 eruption of the Hunga Tonga-Hunga Ha'apai volcano, a seismic wave was recorded by two distant seismic stations. The researchers propose that the ...

Reconstructing Ancient Climate Provides Clues to Climate Change

Nov. 4, 2024 — Research helps reconstruct an ancient climate and challenges the timing of the Andes Mountains ...

How Life Began on Earth: Modeling Earth's Ancient Atmosphere

Oct. 31, 2024 — This model reveals how vastly different the atmosphere was on ancient Earth, and how life may have first ...