INTEGRATED EARTHQUAKE CATALOG OF THE RUSSIAN ARCTIC, 1962–2024
- 作者: Vorobieva I.A.1, Shebalin P.N.1,2, Maliutin P.A.1,2, Gvishiani A.D.2, Dzeboev B.A.2
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隶属关系:
- Institute of Earthquake Prediction Theory and Mathematical Geophysics of the Russian Academy of Sciences
- Geophysical Center of the Russian Academy of Sciences
- 期: 编号 6 (2025)
- 页面: 3–17
- 栏目: Articles
- URL: https://bakhtiniada.ru/0203-0306/article/view/358400
- DOI: https://doi.org/10.7868/S3034513825060014
- ID: 358400
如何引用文章
详细
The article describes the updating and actualization of the earthquake catalog of the Arctic zone of the Russian Federation (AZRF), which combines all available data from Russian and international seismological agencies, bringing the magnitudes to a homogeneous scale. The first version of the catalog was presented in 2022–2023. The catalog of the Eastern Sector of the Russian Arctic contained data till 2020, and the Western Sector and territories of the Arctic Ocean till 2022. Since then, a significant amount of new data has accumulated: the collections “Earthquakes of Russia” have been extended until 2023, “Earthquakes of Northern Eurasia” – until 2021, and the catalog of the International Seismological Center (ISC) – to the present. Due to different network configurations and record processing methods, agencies may register/skip different events. For this reason, combining earthquake data from various seismological agencies makes it possible to obtain the most comprehensive catalog for the region under study. When combining earthquake catalogs, the problem arises of identifying and deleting duplicates (records related to the same seismic event). To solve this problem, this paper uses a new fully automated version of the modified nearest neighbor method based on the analysis of the metric distribution in the network error space when determining epicenters and times of seismic events. The unification of magnitude estimates is based on a regression analysis of different types of magnitudes performed during the creation of the first version of the combined catalog. The updated catalog contains 53 777 earthquakes.
作者简介
I. Vorobieva
Institute of Earthquake Prediction Theory and Mathematical Geophysics of the Russian Academy of Sciences
Email: pavel@mitp.ru
Moscow, Russia
P. Shebalin
Institute of Earthquake Prediction Theory and Mathematical Geophysics of the Russian Academy of Sciences; Geophysical Center of the Russian Academy of Sciences
Email: pavel@mitp.ru
Moscow, Russia; Moscow, Russia
P. Maliutin
Institute of Earthquake Prediction Theory and Mathematical Geophysics of the Russian Academy of Sciences; Geophysical Center of the Russian Academy of Sciences
编辑信件的主要联系方式.
Email: pavel@mitp.ru
Moscow, Russia; Moscow, Russia
A. Gvishiani
Geophysical Center of the Russian Academy of Sciences
Email: pavel@mitp.ru
Moscow, Russia
B. Dzeboev
Geophysical Center of the Russian Academy of Sciences
Email: pavel@mitp.ru
Moscow, Russia
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