Study of seismic activity in the Tonkhil region
DOI:
https://doi.org/10.5564/mjag.v12i1.5192Keywords:
magnitude, time-space relationshipAbstract
On March 20, 2020, an earthquake with a magnitude of 6.1 occurred at the junction of the active faults of the Mongol Altai and Gobi-Altai ranges, which located in Tonkhil soum of Gobi-Altai province. This earthquake took place along the same latitude and approximately one hundred kilometers north of the epicenter of the Takhin Shar earthquake. Observations indicate a correlation between the epicenters of the Tonkhil and Takhin Shar earthquakes. Additionally, it has been determined that another potential epicenter may exist about 18 kilometers south of the 2020 M6.1 epicenter, suggesting a broader seismic source area within this region. This study analyzed earthquakes that occurred in the Tonkhil area of Gobi-Altai provinve between 2015 and 2024 and estimated key parameters of the region’s seismic regime using the Gutenberg–Richter law.
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Copyright (c) 2025 Dulmaa Bayanmunkh, Munkhsaikhan Adiya, Bat-Erdene Nergui, Batbold Baasannyam, Erdenepurev Dawaatseren
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