the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Harmonizing seismicity information in Central Asian countries: earthquake catalog and active faults
Abstract. Central Asian countries, which include Kazakhstan, the Kyrgyz Republic, Tajikistan, Turkmenistan, and Uzbekistan, are known to be highly exposed to natural hazards, particularly earthquakes, floods, and landslides. With the aim of enhancing financial resilience and risk-based investment planning to promote disaster and climate resilience in Central Asia, the European Union, in collaboration with the World Bank and the GFDRR, launched a regional program for “Strengthening Financial Resilience and Accelerating Risk Reduction in Central Asia” (SFRARR). Within this framework, a consortium of national and international scientific institutions was established and tasked with developing a regionally consistent multi-hazard and multi-asset probabilistic risk assessment. The overall goal was to improve scientific understanding on local perils and to provide local stakeholders and governments with up-to-date tools to support risk management strategies. However, the development of a comprehensive risk model can only be done on the base of an accurate hazard evaluation, the reliability of which depends significantly on the availability of local data and direct observations.
This paper describes the preparation of the input data sets required for the implementation of a probabilistic earthquake model for the Central Asian countries. In particular, it discusses the preparation of a new regional earthquake catalog harmonized between countries and homogenized in moment magnitude (Mw), as well as the preparation of a regional database of selected active faults with associated slip rate information to be used for the construction of the earthquake source model. The work was carried out in collaboration with experts from the local scientific community, whose contribution proved essential for the rational compilation of the two harmonized datasets.
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RC1: 'Comment on nhess-2023-131', Elif Oral, 24 Nov 2023
The comment was uploaded in the form of a supplement: https://nhess.copernicus.org/preprints/nhess-2023-131/nhess-2023-131-RC1-supplement.pdf
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AC1: 'Reply on RC1', Valerio Poggi, 27 Feb 2024
Publisher’s note: this comment is a copy of AC3 and its content was therefore removed.
Citation: https://doi.org/10.5194/nhess-2023-131-AC1 - AC2: 'Reply on RC2', Valerio Poggi, 27 Feb 2024
- AC3: 'Reply on RC1', Valerio Poggi, 27 Feb 2024
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AC1: 'Reply on RC1', Valerio Poggi, 27 Feb 2024
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RC2: 'Comment on nhess-2023-131', Anonymous Referee #2, 24 Dec 2023
The preparation of a harmonized earthquake catalogue and a database of active faults for a given region, in this case Central Asia, are important steps to achieve a probabilistic earthquake risk assessment. The authors have carried out a comprehensive work, involving experts for the local scientific community in the framework of a regional program involving risk management and mitigation. The study is very important for the scientific community as the the main objective was to create a preparatory collection of data based on the most complete and up-to-date information available for the territory, consistent and uniform for all Central Asian countries. I strongly recommend this article for publication, maybe with some minor revisions:
- the term homogenized instead of harmonized or explained what it means “harmonized“ in “earthquake catalog harmonized between countries”.
- At L 80 there is a statement - “including the description of intensity in moment magnitudes (Mw) “. I do not know formulas of Mw which include the seismic intensity, I, maybe it is better to give an example of a formula or exclude this statement if there is not the case.
- L350, L380 - reference to an annex to the reliability classes of faults.
- L390 instead of “The homogenization of input datasets“ … maybe “The harmonization of input datasets“. The terms seems synonyms.
- L395 instead of a “top-down approach“ maybe a “general-particular (detailed) approach“.
Citation: https://doi.org/10.5194/nhess-2023-131-RC2 - AC2: 'Reply on RC2', Valerio Poggi, 27 Feb 2024
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