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Tanzania’s Ol Doinyo Lengai is the only active volcano known to erupt natrocarbonatite, the coolest lava on Earth: it flows at roughly 500–590°C, against 1,100°C or more for Hawaiian basalt. Fresh flows look black or dark brown in daylight, then react with rain and atmospheric moisture until the mountainside turns chalk-white—as though someone spilled milk over the lava.
2+ day, 23+ hour ago (791+ words) Ol Doinyo Lengai’s 500–590°C carbonate lava flows black, then atmospheric moisture and rain transform its unstable minerals into pale, rapidly weathering surfaces....
Maximum earthquake magnitude unlikely to be controlled by subduction interface roughness | Nature Geoscience
3+ day, 14+ hour ago (1641+ words) Nature Geoscience (2026) Cite this article a, The maximum observed magnitudes from smallest to largest and their corresponding maximum interface coupling. b, Cross-plots of the two observables. The high correlation factor R2 = 0.65 for the least-squares fit demonstrates a strong, positive, linear relationship…...
Reducing earthquakes caused by fracking – Sciworthy
3+ day, 12+ hour ago (172+ words) The team used the model to compare how a site like this would respond to the instant shut-in method versus the other shut-in methods. They found that the tapered shut-in method increased pressure and stress in the rock, while the…...
Inside T??rkiye???s Tendurek crater, temperatures reach 85 C as volcanic gases rise
3+ day, 15+ hour ago (373+ words) Temperatures reaching 85 degrees Celsius (185 Fahrenheit) have been measured at gas vents inside the crater of Mount Tendurek, one of Türkiye's active volcanic areas, where explorers documented continuing gas, steam and sulfur emissions. Archaeologist, traveler and nature enthusiast Onur Benli and…...
3D seismic study in Amapá begins after Morpho discovery
4+ day, 5+ hour ago (510+ words) Shearwater Geoservices y SLB they started a multi-client 3D seismic study off the coast of Amapá, Brazil, in an area that has sparked greater exploratory interest following the discovery of Morpho hydrocarbons, carried out by Petrobras. The campaign takes place at…...
UIS Research Reveals New Clues About the Origin of the Bucaramanga Seismic Nest
6+ day, 11+ hour ago (730+ words) Inicio > Comunicaciones > UIS Research Reveals New Clues About the Origin of the Bucaramanga Seismic Nest Santander is home to one of the most remarkable seismic phenomena on the planet. Beneath the surface, at a depth of approximately 140 kilometers, lies the…...
Alaska Earthquake Strikes as Recent Tremors Raise Questions About Global Seismic Activity
1+ week, 1+ day ago (620+ words) A magnitude 6.3 earthquake struck southern Alaska on Thursday, Sept. 3, 2026, adding to a series of significant earthquakes that have captured attention around the world in recent months, including powerful events in Venezuela and Colombia. According to the U.S. Geological Survey (USGS), the…...
Applied Sciences, Vol. 16, Pages 8842: Numerical Imaging Characterization of Three-Dimensional Velocity Fields for Creep Damage Evolution in Surrounding Rock of Deep Roadways
1+ week, 1+ day ago (450+ words) To characterize the three-dimensional evolution of creep damage in deep roadway surrounding rock, this study establishes a COMSOL-based (Multiphysics 6.3) integrated analysis framework coupling creep damage, seismic velocity response and three-dimensional imaging. The framework adopts the Norton–Bailey creep constitutive model,…...
Quakes in Southern Alps not linked to Alpine Fault: expert
1+ week, 3+ day ago (545+ words) A string of earthquakes rumbling the Southern Alps north of Milford Sound are not due to the Alpine Fault, a seismologist says. Dozens of aftershocks have been recorded in the lower South Island after a string of earthquakes that struck…...
Applied Sciences, Vol. 16, Pages 8680: Analysis of Uniaxial Fatigue Mechanical Properties and Constitutive Modeling for Freeze–Thaw Cycled Red Sandstone with Double Fissures
1+ week, 6+ day ago (505+ words) This study addresses the challenge of the mechanical behavior of fractured rock masses in cold regions under freeze–thaw-fatigue coupling. Uniaxial step-incremental cyclic loading tests were conducted on double-cracked red sandstone subjected to different numbers of freeze–thaw cycles to…...