Results 91 to 100 of about 6,235 (209)

Fault Friction, Plate Rheology, and Mantle Torques From a Global Dynamic Model of Neotectonics

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.
Abstract Improvements in software, parallel computing, global data sets, and laboratory flow‐laws help to develop the global Earth5 thin‐shell finite‐element model of Bird et al. (2008, https://doi.org/10.1029/2007jb005460) into a benchmark study. All experiments confirm that modeled faults (other than megathrusts) have low effective friction of 0.085 ±
Peter Bird, Jon Bryan May, Michele M. C. Carafa   +2 more
wiley   +1 more source

A Novel Iterative Stable Algorithm for Global Moho Modeling in the Spherical Harmonic Domain

Earth and Space Science
The Mohorovičić discontinuity (Moho) marks the boundary between Earth's crust and the underlying mantle, serving as a critical interface for understanding Earth's structure, composition, and geodynamic processes.
Wenjin Chen, Xiaoyu Tang
doaj   +1 more source

Crustal geophysics and seismicity in southern California [PDF]

, 2011
The geographical distribution of the (1981–2005) seismicity in southern California forms a ±150 km broad zone adjacent to the Pacific–North America plate boundary, ranging from depths of ∼1–~30 km, with the bulk of the focal depths in the range of 2–12 ...
Hauksson, Egill
core   +1 more source

Mantle Dynamic Topography of the Fringing Oceanic Basins of Antarctica

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.
Abstract Dynamic mantle processes are known to influence oceanic basins with implications for ocean circulation and climate. This study exploits an interdisciplinary approach to probe present‐day mantle and lithosphere beneath Antarctica's fringing oceanic basins to better understand sub‐crustal processes and implications for the continental realm.
A. C. A. Dunn, N. J. White, R. Larter, P. L. Slay, M. C. Holdt   +4 more
wiley   +1 more source

Crustal structure below Popocat\'epetl Volcano (Mexico) from analysis of Rayleigh waves [PDF]

, 2007
An array of ten broadband stations was installed on the Popocat\'epetl volcano (Mexico) for five months between October 2002 and February 2003. 26 regional and teleseismic earthquakes were selected and filtered in the frequency time domain to extract the
Almendros, Arcieniega-Ceballos, Benz, Campillo, Carlos Valdés-Gonzalez, Chammas, Chouet, Cruz-Atienza, Dawson, De La Cruz-Reyna, Efron, Friederich, Helle A. Pedersen, Herrmann, Jean-Philippe Métaxian, Laigle, Levshin, Louis De Barros, Macías, Métaxian, Pedersen, Philippe Lesage, Saccorotti, Schorlemmer, Shapiro, Valdes, Wielandt, Wright   +27 more
core   +7 more sources

Testing Models for Upper Mantle Earthquakes in the Tanganyika‐Rukwa Rift, Africa

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.
Abstract Rifts that initiate in mechanically strong, stable continental lithosphere are characterized by M > 5 earthquakes at depths >35 km near or below the crust mantle interface. Current models for deep rift zone earthquakes invoke elevated pore pressures associated with magmatism, and rapid stressing from magma intrusions.
Eduardo Arzabala, Cynthia Ebinger, Finnigan Illsley‐Kemp, Aude Lavayssière, Derek Keir   +4 more
wiley   +1 more source

Estimating the 3D fold structure of the crust-mantel boundary [PDF]

, 2015
Deep-seated lithospheric folding can be revealed using a method that combines gravity inversion calculations and isostatic analyses.The determination of the crustal structure is essential in geophysics, as it gives insight into the geohistory, tectonic ...
Braitenberg, C., Shin, Y. H., Shum, C.-K.   +2 more
core   +1 more source

Variable Oceanic Crust Accretion at a Slow‐Spreading Ridge: A Vp/Vs Ratio Evidence Across the Southwest Sub‐Basin of the South China Sea

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.
Abstract The opening of the Southwest Sub‐basin (SWSB) of the South China Sea was slow‐spreading and has been propagated toward the southwest. Yet, the structural variability and magmatic accretion process of the SWSB are still enigmatic. Here, utilizing a wide‐angle seismic profile traversing the central segment of the SWSB, we obtain detailed S‐wave ...
Ye Yuan, Yuhan Li, Yongjian Yao, Minghui Zhao, Jiazheng Zhang, Enyuan He, Lianjun Li   +6 more
wiley   +1 more source

Structure and evolution of the Baikal rift: A synthesis [PDF]

, 2006
Active continental rifts are spectacular manifestations of the deformation of continents but are not very numerous at the surface of the Earth. Among them, the Baikal rift has been extensively studied during the last decades.
Déverchère, Jacques, Petit, Carole
core   +4 more sources

Reply to Comment by Hetényi and Cattin on: “Raising the Roof of the World: Intra‐Crustal Asian Mantle Supports the Himalayan‐Tibetan Orogen”

Tectonics, Volume 45, Issue 4, April 2026.
Abstract We welcome the critique of Hetényi and Cattin (2026, https://doi.org/10.1029/2025tc009214) on Sternai et al. (2025, https://doi.org/10.1029/2025tc009057), as it brings to light evaluative issues that require clarification and offers an opportunity to articulate more clearly how our work advances understanding of Himalayan‐Tibetan geodynamics ...
P. Sternai, S. Pilia, S. Ghelichkhan, P. Bouilhol, A. Menant, L. Ostorero, B. Vaes, R. Esposito, E. Garzanti, S. Cloetingh, D. R. Davies, T. Gerya   +11 more
wiley   +1 more source