• Research reveals sources of CO2 from Aleutian-Alaska Arc volcanoes

    Updated: 2023-06-29 01:13:12
    Scientists have wondered what happens to the organic and inorganic carbon that Earth's Pacific Plate carries with it as it slides into the planet's interior along the volcano-studded Ring of Fire. A new study suggests a notable amount of such subducted carbon returns to the atmosphere rather than traveling deep into Earth's mantle.

  • Climate change will increase impacts of volcanic eruptions

    Updated: 2023-06-28 18:10:38
    Volcanic disasters have been studied since Pompeii was buried in 79 A.D., leading the public to believe that scientists already know why, where, when and how long volcanoes will erupt. But a volcanologist said these fundamental questions remain a mystery.

  • Research in a place where geological processes happen before your eyes

    Updated: 2023-06-26 21:42:50
    Taiwan experiences some of the world's fastest rates of mountain building -- they are growing at a faster rate than our fingernails grow in a year. The mountains also see frequent and significant earthquakes, the region experiences about four typhoons per year on average, and in some places, it receives upwards of several meters of rain annually.

  • Study of deep-sea corals reveals ocean currents have not fuelled rise in atmospheric carbon dioxide

    Updated: 2023-06-26 21:42:34
    Pioneering analysis of deep-sea corals has overturned the idea that ocean currents contributed to increasing global levels of carbon dioxide in the air over the past 11,000 years.

  • Scientists unearth 20 million years of 'hot spot' magmatism under Cocos plate

    Updated: 2023-06-20 22:44:52
    A team of scientists has observed past episodic intraplate magmatism and corroborated the existence of a partial melt channel at the base of the Cocos Plate. Situated 60 kilometers beneath the Pacific Ocean floor, the magma channel covers more than 100,000 square kilometers, and originated from the Galápagos Plume more than 20 million years ago, supplying melt for multiple magmatic events -- and persisting today.

  • We've pumped so much groundwater that we've nudged Earth's spin

    Updated: 2023-06-15 23:31:47
    By pumping water out of the ground and moving it elsewhere, humans have shifted such a large mass of water that the Earth tilted nearly 80 centimeters (31.5 inches) east between 1993 and 2010 alone, according to a new study.

  • Plate tectonics not required for the emergence of life

    Updated: 2023-06-15 03:06:11
    New finding contradicts previous assumptions about the role of mobile plate tectonics in the development of life on Earth. Moreover, the data suggests that 'when we're looking for exoplanets that harbor life, the planets do not necessarily need to have plate tectonics,' says the lead author of a new paper.

  • Study explains unusual deformation in Earth's largest continental rift

    Updated: 2023-06-14 00:08:39
    Computer models confirm that the African Superplume is responsible for the unusual deformations, as well as rift-parallel seismic anisotropy observed beneath the East African Rift System.

  • Geologists challenge conventional view of Earth's continental history, stability with new study

    Updated: 2023-06-12 16:47:38
    The seemingly stable regions of the Earth's continental plates -- the so-called stable cratons -- have suffered repetitive deformation below their crust since their formation in the remote past, according to new research from the University of Illinois Urbana-Champaign. This hypothesis defies decades of conventional plate tectonics theory and begs to answer why most cratons have remained structurally stable while their underbellies have experienced significant change.

  • Researchers describe the melting of gold nanoparticles in gold-bearing fluids in the Earth's crust

    Updated: 2023-06-12 16:47:25
    Gold is a precious metal that has always fascinated humans. From Priam's Treasure to the legend of El Dorado, gold --regarded as the noblest of metals-- has been a symbol of splendour and wealth in many civilizations. Historically, gold deposits were known to form when metal was transported dissolved by hot aqueous solution flows --hydrothermal fluids-- until it accumulated in some areas in the Earth's upper crust. The recent discovery of gold nanoparticles in such mineral deposits has brought some doubts on the validity of the classical model.

  • Day of Action 2023 - Participant Information

    Updated: 2023-06-12 14:00:00
    Information for registered participants of The Planetary Society's 2023 Day of Action.

  • Campi Flegrei volcano edges closer to possible eruption

    Updated: 2023-06-09 05:56:45
    The new study used a model of volcano fracturing to interpret patterns of earthquakes and ground uplift, and concluded that parts of the volcano had been stretched nearly to breaking point.

  • South Africa, India and Australia shared similar volcanic activity 3.5 billion years ago

    Updated: 2023-06-08 05:09:50
    The Daitari greenstone belt shares a similar geologic make-up when compared to the greenstones exposed in the Barberton and Nondweni areas of South Africa and those from the Pilbara Craton of north-western Australia.

  • Bubble, bubble, more earthquake trouble? Geoscientists study Alaska's Denali fault

    Updated: 2023-06-06 21:48:36
    Geochemists report findings from collected and analyzed helium and carbon isotopic data from springs along a nearly 250-mile segment of Alaska's Denali Fault. The fault's mantle fluid flow rates, they report, fall in the range observed for the world's other major and active strike-slip faults that form plate boundaries.

  • Yellowstone Volcano Update — Video Collection

    Updated: 2023-06-06 18:06:58
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