Articles | Volume 18, issue 11
https://doi.org/10.5194/nhess-18-2809-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-18-2809-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 Oct 2018
Research article |
| 30 Oct 2018
| 30 Oct 2018
Approach for combining fault and area sources in seismic hazard assessment: application in south-eastern Spain
Alicia Rivas-Medina
CORRESPONDING AUTHOR
Departamento de Ingeniería Topográfica y Cartografía, Universidad Politécnica de Madrid, Madrid, Spain
Departamento de Ingeniería Civil, Universidad de Concepción, Concepción, Chile
Belen Benito
Departamento de Ingeniería Topográfica y Cartografía, Universidad Politécnica de Madrid, Madrid, Spain
Jorge Miguel Gaspar-Escribano
Departamento de Ingeniería Topográfica y Cartografía, Universidad Politécnica de Madrid, Madrid, Spain
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- Improved Geological Slip Rate Estimations in the Complex Alhama de Murcia Fault Zone (SE Iberia) and Its Implications for Fault Behavior O. Gómez‐Novell et al. 10.1029/2022TC007465
- Recurrence times of central‐southern Apennine faults (Italy): Hints from palaeoseismology P. Galli 10.1111/ter.12470
- Deterministic Seismic Hazard Analysis from Physics-Based Earthquake Simulations in the Eastern Betics P. Herrero-Barbero et al. 10.2139/ssrn.4200286
- Fault System-Based Probabilistic Seismic Hazard Assessment of a Moderate Seismicity Region: The Eastern Betics Shear Zone (SE Spain) O. Gómez-Novell et al. 10.3389/feart.2020.579398
- A hybrid probabilistic seismic hazard model for Northeast India and Bhutan combining distributed seismicity and finite faults F. Ghione et al. 10.1016/j.pce.2021.103029
- Deterministic seismic hazard analysis from physics-based earthquake simulations in the Eastern Betics (SE Iberia) P. Herrero-Barbero et al. 10.1016/j.enggeo.2023.107364
- The 2020 European Seismic Hazard Model: overview and results L. Danciu et al. 10.5194/nhess-24-3049-2024
- Epistemic Uncertainty in PSHA and Seismic Hazard Characterization Using the Logic Tree Approach: Part II, Implementation over North-East India N. Gurjar & D. Basu 10.1007/s00024-022-03148-z
- Areal-source and fault-source based probabilistic seismic hazard analysis using characteristic earthquake model and Monte-Carlo approach: An example of the Gulf of Aqaba region V. Sokolov et al. 10.1016/j.soildyn.2024.108941
- Physics‐Based Earthquake Simulations in Slow‐Moving Faults: A Case Study From the Eastern Betic Shear Zone (SE Iberian Peninsula) P. Herrero‐Barbero et al. 10.1029/2020JB021133
- Seismic Hazard Maps of the Eastern Himalaya Syntaxis by Integrating the Surface Topography and Site Effects M. Rahman & L. Bai 10.1007/s00024-023-03396-7
- Site-specific probabilistic seismic hazard analysis in Nuweiba, Gulf of Aqaba, Egypt: Combining area source model and active faults H. Badreldin et al. 10.1016/j.jafrearsci.2024.105290
Latest update: 30 May 2025
Short summary
We present an approach for seismic hazard assessment that considers a hybrid source model composed of faults and zones containing the remaining seismicity. The seismic-moment rate is used to distribute seismic potential, avoiding double counting. The approach is applied in SE Spain, a region of low-to-moderate seismicity. Results show a concentration of expected accelerations around fault traces using the hybrid approach, which is not appreciated in the classic approach using zones exclusively.
We present an approach for seismic hazard assessment that considers a hybrid source model...
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