Results 211 to 220 of about 95,070 (355)

Magmatic System of the Hainan Plume Revealed by Ambient Noise Tomography

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 7, July 2025.
Abstract The magmatic system of the Hainan plume is important for unraveling the mechanism of intraplate volcanism. We develop a detailed three‐dimensional shear‐wave velocity (Vs) model of the crust and uppermost mantle using ambient noise tomography to investigate the magmatic system of the Hainan plume. Rayleigh wave phase velocity dispersions (5–40 
Gong Deng   +3 more
wiley   +1 more source

Effect of Mainshock Selection, Earthquake Catalog and Definition on Foreshock Rate Estimates in Southern California

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 7, July 2025.
Abstract Estimates of the percentage of moderate to large crustal earthquakes (mainshocks) that have foreshocks (the foreshock rate) vary widely: Recent estimates in Southern California using an enhanced catalog range between 19% and 72%. Enhanced catalogs seem to reveal more foreshocks, possibly providing new constraints on nucleation mechanisms, but ...
R. Azad Khan   +3 more
wiley   +1 more source

Structure and Seismicity of the Dead Sea Fault and the Galilee Revealed by 3D Earthquake Tomography

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 7, July 2025.
Abstract Strike‐slip fault systems near regions of oblique tectonic convergence/divergence commonly develop bends, stepovers, and other complexities that control crustal deformation, stress localization, and associated geophysical processes. Here, we investigate the complex crustal structure of the strike‐slip Dead Sea Fault (DSF) system and the ...
G. Ben‐Dor   +6 more
wiley   +1 more source

SEISMOLOGICAL REPORTS FOR JULY, 1918

open access: hybrid, 1918
W. J. Humphreys
openalex   +1 more source

Strike‐Slip Versus Extensional Tectonics at the Oceanographer Transform Fault, Mid‐Atlantic Ridge at 35°N

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 7, July 2025.
Abstract Oceanic transform faults and their fracture zones are among the most striking features of ocean basins. Plate tectonics describes them as strike‐slip zones connecting mid‐ocean ridge segments. Still, no generally accepted theory exists for the lateral strain partitioning resulting in the deep and wide transform valleys and extensively ...
Ingo Grevemeyer   +13 more
wiley   +1 more source

Seismic Evidence of Impact Breccia and Unlithified Sediments Under Hiawatha Glacier

open access: yesJournal of Geophysical Research: Earth Surface, Volume 130, Issue 7, July 2025.
Abstract Hiawatha Crater in northwest Greenland is one of only two putative impact craters under an ice sheet. Hiawatha therefore offers a rare proxy for understanding the interactions between active glacial dynamics and impact craters on other planetary bodies.
Rishi Chandra   +7 more
wiley   +1 more source

Publisher Correction: New local magnitude scales for Egypt. [PDF]

open access: yesSci Rep
Elhady SM   +6 more
europepmc   +1 more source

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