Results 81 to 90 of about 9,434 (223)

Fault Kinematic Controls on the Spatio‐Temporal Proximity of the 2023 Mw 7.8‐7.7 Türkiye Earthquakes

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract The mechanism governing the spatio‐temporal proximity of the 2023 Mw 7.8‐7.7 Türkiye earthquakes remains enigmatic. Here, we used dense geodetic observations integrated with dual‐fault screw dislocation, Euler‐vector‐constrained block, and strain‐rate models to investigate the interseismic kinematics and pre‐stress state of the East Anatolian ...
Wenbin Xu, Kai Sun, Qijie Wang, Guojie Meng, Lei Xie, Ali Özkan   +5 more
wiley   +1 more source

Relation between stress heterogeneity and aftershock rate in the rate-and-state model [PDF]

, 2006
We estimate the rate of aftershocks triggered by a heterogeneous stress change, using the rate-and-state model of Dieterich [1994].We show that an exponential stress distribution Pt(au) ~exp(-tautau_0) gives an Omori law decay of aftershocks with time ~1/
Agnès Helmstetter, Andrews, Bruce E. Shaw, Cochran, Das, Dieterich, Dieterich, Dieterich, Dieterich, Felzer, Felzer, Felzer, Helmstetter, Helmstetter, Herrero, Ide, Lawson, Marsan, McCloskey, Mikumo, Narteau, Nur, Riele, Ripperger, Schaff, Scholz, Shaw, Toda, Toda, Toda, Ziv, Ziv   +31 more
core   +6 more sources

GPS observations of coseismic deformation following the 2016, August 24, Mw 6 Amatrice earthquake (central Italy): data, analysis and preliminary fault model

Annals of Geophysics, 2016
We used continuous Global Positioning System (GPS) measurements to infer the fault geometry and the amount of coseismic slip associated to the August 24, 2016 Mw 6 Amatrice earthquake.
Daniele Cheloni, Enrico Serpelloni, Roberto Devoti, Nicola D'Agostino, Grazia Pietrantonio, Federica Riguzzi, Marco Anzidei, Antonio Avallone, Adriano Cavaliere, Gianpaolo Cecere, Ciriaco D'Ambrosio, Alessandra Esposito, Luigi Falco, Alessandro Galvani, Giulio Selvaggi, Vincenzo Sepe, Stefano Calcaterra, Roberta Giuliani, Maurizio Mattone, Piera Gambino, Luigi Abruzzese, Vincenzo Cardinale, Angelo Castagnozzi, Giovanni De Luca, Angelo Massucci, Antonio Memmolo, Franco Migliari, Felice Minichiello, Luigi Zarrilli   +28 more
doaj   +1 more source

The 1886 Charleston, South Carolina, Earthquake: Relic Railroad Offset Reveals Rupture

The Seismic Record, 2023
In the absence of documented surface rupture during the 1 September 1886 Charleston earthquake, there has been considerable speculation about the location and mechanism of the causative fault.
Roger Bilham, Susan E. Hough
doaj   +1 more source

Characteristics of Seismic Energy Rate Functions of Shallow Tremors

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract We investigated the energy rate functions of shallow tremors southeast of the Kii Peninsula in the Nankai subduction zone. Unimodal functions (triangle or bell‐shaped) explain the characteristics of small (<104 J) shallow tremors. As the seismic radiated energy increases, the energy rate functions become more complex and are better ...
Shunsuke Takemura, Suguru Yabe
wiley   +1 more source

Coseismic slip propagation on the Tohoku plate boundary fault facilitated by slip‐dependent weakening during slow fault slip

Geophysical Research Letters, 2017
AbstractSlow slip phenomena, including earthquake afterslip and discrete slow slip events (SSEs), may have a major effect on megathrust earthquakes in subduction zones; however, the nature of this effect is still incompletely understood. Here we report that in friction experiments using samples from the plate boundary fault zone in the 2011 Tohoku‐Oki ...
Yoshihiro Ito, Matt J. Ikari, Kohtaro Ujiie, Achim Kopf   +3 more
openaire   +1 more source

Oblique Blind Faulting Underneath the Luzon Volcanic Arc During the 2022 Mw 7.0 Abra Earthquake, the Philippines

Geophysical Research Letters, 2023
Unknown seismogenic structures lurking beneath convergent margins introduce substantial uncertainty in seismic hazard assessments. In northwestern Luzon, the Mw 7.0 Abra earthquake on 27 July 2022 highlights the seismic activity along an unmapped blind ...
Chi‐Hsien Tang, Ya‐Ju Hsu, Teresito Bacolcol, Yunung Nina Lin, Horng‐Yue Chen, Yu‐Ting Kuo, Hsuan‐Han Su, Hsin‐Ming Lee, Alfie Pelicano, Genesis Sapla, Shui‐Beih Yu   +10 more
doaj   +1 more source

Partial Ruptures, Cascading Multi‐Fault Ruptures, and Aftershocks in 2D Random Fault Network

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract The Gutenberg‐Richter law for the distribution of earthquake magnitude and the Omori law for the decay of aftershocks are two universal laws in seismicity. Although numerical models have been developed to reproduce these laws, they sometimes produce many more foreshocks and fewer aftershocks than observed.
So Ozawa
wiley   +1 more source

Depth-varying rupture properties of subduction zone megathrust faults [PDF]

, 2012
Subduction zone plate boundary megathrust faults accommodate relative plate motions with spatially varying sliding behavior. The 2004 Sumatra-Andaman (M_w 9.2), 2010 Chile (Mw 8.8), and 2011 Tohoku (M_w 9.0) great earthquakes had similar depth variations
Ammon, Charles J., Hutko, Alexander R., Kanamori, Hiroo, Koper, Keith D., Lay, Thorne, Rushing, Teresa M., Ye, Lingling, Yue, Han   +7 more
core   +1 more source

Trench‐Breaching Rupture of the 2025 Mw 8.8 Kamchatka Earthquake and How It Repeats the 1952 Event

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract The 29 July 2025 Mw 8.8 Kamchatka earthquake generated a trans‐Pacific tsunami. The hypocenter was nearly at the same location as the 1952 great earthquake (Mw 8.8–9.0). Determining whether the 2025 rupture reached the trench and how it relates to the 1952 event is crucial for understanding slip behavior along the Kamchatka subduction zone. We
Yifan Zhu, Chao An, Han Yue
wiley   +1 more source