Results 171 to 180 of about 67,700 (324)

Influence of Glacial Isostatic Adjustment on Intraplate Stress and Seismicity in Eastern North America in the Presence of Pre‐Existing Weak Zones

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 10, October 2025.
Abstract Eastern North America has hosted significant historical earthquakes, where seismicity clusters along tectonically inherited structures. Using the spherical finite‐element code CitcomSVE and fully 3D viscosity structure, we model the intraplate stress response to glacial isostatic adjustment (GIA) using ICE‐6G, both with and without low ...
Erin Hightower, Michael Gurnis
wiley   +1 more source

Lithospheric Deformation With Mechanical Anisotropy: A Numerical Model and Application to Continental Rifting

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 10, October 2025.
Abstract Rocks at various lithospheric depths commonly display a fabric, resulting in mechanical anisotropy. The mechanical response of such anisotropic rocks depends on both the intensity of the anisotropy and the orientation of the fabric relative to the applied stress.
Thibault Duretz   +6 more
wiley   +1 more source

Lowermost Mantle Flow at Thermochemical Piles Constrained by Shear Wave Anisotropy: Insights From Combined Geodynamic and Mantle Fabric Simulations at Global Scale

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 10, October 2025.
Abstract Seismic anisotropy is observed in the lowermost few hundred kilometers of the mantle. This anisotropy likely signifies strong deformation, possibly caused by mantle flow interacting with the edges of Large Low‐Shear‐Velocity Provinces (LLSVPs) or by the ascent of mantle plumes originating near these regions.
Poulami Roy   +3 more
wiley   +1 more source

SEISMOLOGICAL REPORTS FOR JULY, 1918

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

Probing the Nature of Low‐Frequency Earthquakes Through the Deconvolution of Tectonic Tremor

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 10, October 2025.
Abstract We resolve the low‐frequency earthquake (LFE) activity within tremor from a compact area beneath southern Vancouver Island. Using LFE templates made from stacking thousands of nearly co‐located LFEs as empirical Green's functions, we detect LFEs using time‐domain iterative deconvolution of the “optimal” horizontal component (the dominant ...
Chao Song, Allan M. Rubin
wiley   +1 more source

How Fluid Pressures and Viscous Rheologies Affect Slip Patterns on Low‐Angle Normal Faults: The Example of the Altotiberina Fault, Northern Apennines, Italy

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 10, October 2025.
Abstract Low‐angle normal faults are a mechanical anomaly, hosting normal‐sense slip despite having a dip shallower than 30°, in contravention of Andersonian prediction. Slip on such faults has been attributed to overpressurized fluids or low‐friction minerals. An example of such a fault is the Altotiberina Fault (ATF) in central Italy. The ATF hanging
John N. Hooker   +3 more
wiley   +1 more source

RECENT PAPERS BEARING ON METEOROLOGY AND SEISMOLOGY

open access: hybrid, 1921
C. F. TALMAN
openalex   +1 more source

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