Using paleomagnetic samples collected along the shores of Lake Superior, a new study illuminates the movement of a billion-year-old paleocontinent as it crept south toward a tectonic collision.
Journal of Geophysical Research: Solid Earth
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How Flexible Enhanced Geothermal Systems Control Their Own Seismicity
A new study maps how microseismicity waxes and wanes with pressure in enhanced geothermal systems, offering a template for managing quakes in future heat-mining projects.
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The State of Stress in the Nankai Subduction Zone
The Nankai subduction zone, in southern Japan, has hosted several large magnitude 8+ earthquakes during the last three hundred years. But, how stressed is it right now?
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A Volcanic Boom Puts the Squeeze on Remote Confined Aquifers
A new study shows that ground water levels responded to forcing by barometric pressure pulses from the 2022 Hunga Tonga-Hunga Ha’apai Volcanic Eruption.
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New Insights into How Rocks Behave Under Stress
New 3D imaging techniques show hidden patterns of stress that help explain how and why rocks break.
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Creep Cavitation May Lead to Earthquake Nucleation
Ultramylonites, rocks of ultrafine grainsize, bring records of nanometer-scale cavities generated at the base of seismogenic crust along Japan’s largest on‐land fault.
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Atomic-Scale Insights into Supercritical Silicate Fluids
Water-induced depolymerization enhances fluid mobility in deep Earth, offering new insights into magma transport and isotope signatures in arc lavas.
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Seismic Images Show Major Change Along the Mid-Atlantic Ridge
New seismic images of the Lucky Strike slow-spreading segment of the Mid-Atlantic Ridge show thick lower crust at the center that thins in both along-ridge directions.
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Remagnetization Illuminates Tectonic Consolidation of Megacontinents
New rock and paleomagnetic research give evidence for prolonged heating during the Cambrian-Ordovician tectonic consolidation of West Gondwanaland.
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T-waves May Improve Tsunami Early Warning Systems
A unique acoustic wave related to the generation of tsunamis could be used to enhance early warning systems.