Results 31 to 40 of about 530 (190)

Post‐Event Ground Motion Estimation using Graph Neural Networks

Earthquake Spectra, Volume 42, Issue 3, August 2026.
Accurate ground motion (GM) estimates are essential for forensic analysis of structural damage following major earthquakes when direct recordings at the location(s) of interest are unavailable. Contemporary post‐event GM estimation methods often leverage nearby observations to constrain estimates of intensity measures (IMs); however, existing ...
Claudio Schill, Brendon A. Bradley
wiley   +1 more source

First Direct Observations of Internal Flow Structures in a Powder Snow Avalanche: Turbulence, Instability and Particle Distribution

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract Powder snow avalanches are highly dynamic, multiphase gravity‐driven flows typically composed of a dense basal layer overlain by airborne layers in which snow particles are suspended within a turbulent air phase. Despite extensive work on related systems such as pyroclastic density currents and turbidity currents, all gravity current studies ...
I. Calic, F. Coletti, B. Sovilla
wiley   +1 more source

Ground-motion predictive equations for low-magnitude earthquakes in the Campania–Lucania area, Southern Italy

, 2010
A key aspect of ground-shaking map calculation is represented by ground-motion predictive equations (GMPEs). In fact, ground-shaking maps obtained soon after an earthquake are calculated by integrating observed data and ground-motion estimates from GMPEs
A Emolo, V Convertito, L Cantore, Emolo, Antonio, Emolo, A., Convertito, V., Cantore, L., Convertito V., Cantore L.   +8 more
core   +1 more source

Regional Adjustments to NGA‐West2 Ground‐Motion Models for Turkey

Earthquake Engineering &Structural Dynamics, Volume 55, Issue 6, Page 1313-1332, May 2026.
ABSTRACT This paper presents a ground‐motion model updating (GMMU) framework to adjust NGA‐West2 models for predicting a set of intensity measures in Turkey, including peak ground acceleration (PGA), peak ground velocity (PGV), and pseudo‐spectral acceleration (PSA) at periods ranging from 0.01 to 10 s. The GMMU framework integrates bias identification
Mao‐Xin Wang, Gang Wang
wiley   +1 more source

Development of a multi-unit seismic conditional core damage probability model with uncertainty analysis

, 2021
Various studies about multi-unit probabilistic safety assessment (PSA) have been conducted following the Fukushima accident. In this paper, an intuitive and simple model is developed to supplement the disadvantages of huge models that integrate all units
Lee, Seung Jun, Yunyeong Heo, Heo, Yunyeong, Seung Jun Lee   +3 more
core   +1 more source

Damping Modification Factors for Pile–Induced Filtering Effect

Earthquake Engineering &Structural Dynamics, Volume 55, Issue 4, Page 907-925, 10 April 2026.
ABSTRACT Period–dependent Damping Modification Factors are usually applied to the 5%–damped pseudo–acceleration response spectrum at free field conditions to derive the seismic demand for structures with damping ratio other than 5%. Likewise, the response spectrum at the foundation level of pile–supported structures may differ from the free field ...
Emmanouil Rovithis, Maria Iovino, Dimitris Sotiriadis, Raffaele Di Laora   +3 more
wiley   +1 more source

Ground‐Motion Aleatory‐Variability Models for Puerto Rico and the U.S. Virgin Islands

Earthquake Spectra, Volume 42, Issue 1, February 2026.
I develop independent logic trees for aleatory variability for crustal and subduction‐zone (interface and intraslab) earthquakes for seismic hazards analyses in Puerto Rico and the U.S. Virgin Islands (PRVI) from existing suites of ground‐motion models (GMMs) and from ground‐motion datasets, including a regional PRVI dataset.
Morgan P. Moschetti
wiley   +1 more source

A new strong ground motion model for predicting Peak Ground Acceleration (PGA), pseudo-acceleration spectra and displacement spectra in Iran [PDF]

مهندسی عمران شریف
Due to the inelasticity of the ground and geometric expansion, seismic waves are reduced by moving away from the center of wave propagation, which is called the attenuation of seismic waves.
A.R. Hajipour, H. Moghaddam
doaj   +1 more source

Origin of the Bulge Topography Within Caloris Basin, Mercury

Journal of Geophysical Research: Planets, Volume 131, Issue 2, February 2026.
Abstract Caloris basin on Mercury has a massive circular bulge topography imprinted with unique fault sets. A variety of deformational processes have been proposed to have influenced their formation, including both global contraction and basin evolution, as well as the deposition and weight of the volcanic infill.
G. Schmidt, V. Galluzzi, A. Sepe, S. Buoninfante, B. De Toffoli, L. Ferranti, P. Palumbo   +6 more
wiley   +1 more source

Post‐Earthquake Mechanical Performance and Geological Assessment of Reinforced Concrete Structures Damaged in the 2023 Kahramanmaraş Earthquakes

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
The 2023 Kahramanmaraş earthquake sequence, consisting of two major earthquakes (Mw 7.8 and Mw 7.5) that occurred on the same day in southeastern Türkiye, caused extensive structural damage and severe site‐related impacts across the affected region. This study investigates the post‐earthquake mechanical performance and durability characteristics of ...
Ahmet Erdağ, Pınar Sezin Öztürk Kardoğan, Ertuğrul Ordu, Kenan Toklu, Shikha Binwal   +4 more
wiley   +1 more source