Results 91 to 100 of about 231,836 (205)

Post-earthquake assessment of moderately damaged reinforced concrete plastic hinges

, 2020
Modern reinforced concrete buildings are often designed to dissipate energy during strong earthquakes by permitting the controlled formation of plastic hinges. Plastic hinges require assessment of residual capacity in post-earthquake situations. However,
Marder, K, Elwood, Kenneth, Motter, CJ, Clifton, George   +3 more
core   +1 more source

Spatial Dependence of High‐Frequency Ground Motion Along the Chilean Subduction Zone From Aftershock Sequences of the Mw 8.8 Maule and Mw 8.2 Iquique Earthquakes

Earth and Space Science, Volume 13, Issue 8, August 2026.
Abstract The Chilean subduction zone is a highly active seismic region, producing megathrust earthquakes approximately every decade. We apply a stochastic approach to assess spatial variations in seismic wave characteristics along the Chilean trench using weak motion data.
Asiye Aziz Zanjani, Robert B. Herrmann
wiley   +1 more source

Historical and recent large megathrust earthquakes in Chile

Tectonophysics, 2018
Abstract Recent earthquakes in Chile, 2014, Mw 8.2 Iquique, 2015, Mw 8.3 Illapel and 2016, Mw 7.6 Chiloe have put in evidence some problems with the straightforward application of ideas about seismic gaps, earthquake periodicity and the general forecast of large megathrust earthquakes.
Ruiz Tapia, Sergio, Madariaga, R.
openaire   +2 more sources

Bibliometric Mapping of Public Knowledge on Megathrust Earthquake Disaster Mitigation

Public knowledge of megathrust earthquake mitigation is essential for strengthening disaster preparedness and supporting disaster risk reduction. Although earthquake mitigation research has continued to expand, bibliometric evidence positioning public ...
Retna Pebrianti, Iip Permana
core   +1 more source

Evolution of Tectonically Accreted Topmost Oceanic Lithospheric Mantle Based on Seismic Tomography Constraints at the Ultraslow‐Spreading Southwest Indian Ridge

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 8, August 2026.
Abstract Oceanic lithosphere formed at the global mid‐ocean ridge system makes up >60% of Earth's solid surface. Its uppermost ∼6 km are accreted either magmatically, where mafic melt is available, or tectonically, where this melt is absent. The magmatically accreted lithosphere is known to evolve with age, as demonstrated by its velocity increase ...
A. Corbalán, M. R. Nedimović
wiley   +1 more source

Earthquake Source Characterization Using 3D Numerical Modeling [PDF]

, 2007
To understand the physics of earthquakes, it is important to know what happens during individual events. Dissembling the information about the source process from the recorded seismograms is a difficult and non-unique process, as there are severe trade ...
Hjörleifsdóttir, Vala
core   +1 more source

Bayesian Source Characterization of Oceanic Transform Fault Earthquakes Using Relative Teleseismic Rayleigh Wave Spectra

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 8, August 2026.
Abstract Oceanic transform faults frequently generate moderate‐sized earthquakes in quasi‐periodic cycles, offering attractive cases for studying earthquake physics. However, characterizing these remote events remains challenging due to the scarcity of local seismic data.
Chong Zang, Wenbo Wu, Min Xu, Sidao Ni
wiley   +1 more source

Dual Role of a Subducted Seamount in Megathrust Rupture Initiation and Rupture Barrier

Geophysical Research Letters
Using high‐resolution 3D tomography and a relocated 2010–2022 earthquake catalog, we identify a seamount at 20–25 km depth beneath the Mompiche–Cojimíes region in the coastal forearc of Ecuador.
G. Ponce, A. Meltzer, A. Wickham‐Piotrowski, S. Beck, M. Ruiz, S. Hernández, M. Segovia   +6 more
doaj   +1 more source

Reconnaissance observations by CIGIDEN after the 2015 Illapel, Chile earthquake and tsunami

, 2017
This paper describes the reconnaissance work conducted by researchers from the National Research Center for Integrated Natural Disaster Management (CIGIDEN) between September 23rd and October 2nd in the area affected by the Mw 8.3 Illapel megathrust ...
Rivera Jofré, Felipe Andrés, Jünemann Ureta, Rosita, Fernández Soto, Claudio, Critical infrastructure, Llera Martin, Juan Carlos de la, Poulos Campbell, Alan John, Hube Ginestar, Matías Andrés, Favier, Philomène, Chamorro Giné, Marcela Alondra, Illapel earthquake, Chacón de la Cruz, Matías Fernando Nicolás, Candia, Gabriel A., Aguirre Aparicio, Paula   +12 more
core  

Structural heterogeneity in source zones of the 2018 Anchorage intraslab earthquake and the 1964 Alaska megathrust earthquake

, 2019
3-D seismic structures (Vp, Vs and Poisson’s ratio) in and around the source zones of the 2018 Anchorage intraslab earthquake (Mw 7.1) and the 1964 Alaska megathrust earthquake (Mw 9 ...
Tao Gou, Liangshu Wang, Zhouchuan Huang, Dapeng Zhao   +3 more
core   +1 more source