Frequency-dependent site amplification functions for key geological units in Iceland from a Bayesian hierarchical model for earthquake strong-motions

S Rahpeyma, B Halldorsson, B Hrafnkelsson… - Soil Dynamics and …, 2023 - Elsevier
A fundamental modeling assumption in engineering seismology is that seismic ground
motion is affected by source, propagation path and site effects. Contrary to the first two …

Bayesian hierarchical model for variations in earthquake peak ground acceleration within small‐aperture arrays

S Rahpeyma, B Halldorsson, B Hrafnkelsson… - …, 2018 - Wiley Online Library
Knowledge of the characteristics of earthquake ground motion is fundamental for
earthquake hazard assessments. Over small distances, relative to the source–site distance …

Frequency-dependent site factors for the Icelandic strong-motion array from a Bayesian hierarchical model of the spatial distribution of spectral accelerations

S Rahpeyma, B Halldorsson… - Earthquake …, 2022 - journals.sagepub.com
The earthquake ground motions of over 1700 earthquakes recorded on a small-aperture
strong-motion array in south Iceland (ICEARRAY I) that is situated on a relatively uniform site …

Site effect estimation on two Icelandic strong-motion arrays using a Bayesian hierarchical model for the spatial distribution of earthquake peak ground acceleration

S Rahpeyma, B Halldorsson, B Hrafnkelsson… - Soil Dynamics and …, 2019 - Elsevier
Earthquake recordings on two small-aperture (covering∼ 1.2 km 2 each) strong-motion
arrays in Iceland (ICEARRAY I and II) exhibit considerable variations in the spatial …

Bayesian inference of a physical seismological model for earthquake strong-motion in south Iceland

T Sonnemann, B Halldorsson, B Hrafnkelsson… - Soil Dynamics and …, 2020 - Elsevier
Earthquake ground motion prediction in Iceland where strong-motion data is scarce poses a
challenge as empirical ground motion models (GMM) developed from data in other regions …

Bayesian Modeling in Engineering Seismology: Ground-Motion Models

S Rahpeyma, M Kowsari, T Sonnemann… - … Using Bayesian Latent …, 2023 - Springer
The ground-motion model (GMM) is a key tool of the engineering seismologist. It predicts
peak seismic ground-motion parameters given primary independent variables such as …

[PDF][PDF] Velocity profile estimation in the presence of multiple strong velocity reversals

S Rahpeyma, B Halldorsson… - 17th world Conf. Earthq …, 2020 - wcee.nicee.org
In Iceland, the interaction of repeated glaciation/deglaciation and fluctuating sea levels with
the dominant basaltic volcanism has formed a unique geological condition consisting of …

[PDF][PDF] Geomorphic assessment of the urban setting of Húsavík, North Iceland, in the context of earthquake hazard

P Waltl, B Halldorsson, HG Petursson, M Fiebig - JOKULL, 2018 - scholar.archive.org
The Húsavík-Flatey Fault Zone (HFFZ) is one of the largest system of transform faults in
Iceland on which damaging earthquakes have repeatedly taken place. The town of Húsavík …

Bayesian Hierarchical Model of Peak Ground Acceleration for the Icelandic Strong-Motion Arrays

S Rahpeyma, B Halldorsson… - Proceedings of the …, 2019 - Springer
A reliable estimation of regional ground motion plays a critical role in probabilistic seismic
hazard analysis (PSHA). The earthquake resistant design of structures within a region of a …

[PDF][PDF] Site Effect Estimation on two Icelandic Strong-motion Arrays Using a Bayesian Multi-level Model for the Spatial Distribution of Earthquake Ground Motion …

S Rahpeyma, B Halldórsson, B Hrafnkelsson… - researchgate.net
Better understanding of the seismic ground motion characteristics literally leads to more
accurate early-stage damage assessments and seismic risk mitigation. In Iceland …