The Correlation between Signals of Aerosol Lidar, Laser Strainmeter, and the Temperature of Gas in Bedrock: Measurements in the Baksan Neutrino Observatory during the Earthquakes in Turkey on February 6, 2023

IF 0.9 4区地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS

Journal of Volcanology and Seismology Pub Date : 2025-06-24 DOI:10.1134/S0742046325700113

S. M. Pershin, E. I. Gordeev, V. V. Gravirov, M. Ya. Grishin, V. A. Zavozin, V. N. Lednev, D. V. Likhodeev, V. S. Makarov, A. V. Myasnikov, A. A. Ushakov

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引用次数: 0

Abstract

We report for the first time to our knowledge an asymmetry in the signals of the laser strainmeter at the Baksan Neutrino Observatory (BNO), Elbrus area during the first and second earthquakes in Turkey on February 6, 2023, which had nearly identical magnitudes. A correlation has been detected between the signals of the laser strainmeter and the temperature inside the bedrock foundation in the BNO dead-end tunnel, as well as the signal of aerosol lidar during the second magnitude 7.7 earthquake occurring at 10:24 UTC. The radius of the stress zone around the epicenters was estimated as ∼2000 km, which exceeds the distance to the BNO tunnels (~900 km) and thus admits of the variations of stress and strain to be seen in the signals of the laser strainmeter, the thermometer, and the lidar.

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气溶胶激光雷达、激光应变仪信号与基岩气体温度的相关性：2023年2月6日土耳其地震期间Baksan中微子天文台的测量结果

本文首次报道了2023年2月6日土耳其厄尔布鲁士地区巴克桑中微子观测站（BNO）激光应变仪在第一次和第二次地震中信号的不对称性，这两次地震的震级几乎相同。在第二次7.7级地震发生时，激光应变仪的信号与BNO死角隧道基岩基础内部温度以及气溶胶激光雷达的信号之间存在相关性。震中周围应力区的半径估计为~ 2000公里，这超过了到BNO隧道的距离（~900公里），因此允许在激光应变计、温度计和激光雷达的信号中看到应力和应变的变化。

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来源期刊

Journal of Volcanology and Seismology 地学-地球化学与地球物理

CiteScore

1.50

自引率

28.60%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Volcanology and Seismology publishes theoretical and experimental studies, communications, and reports on volcanic, seismic, geodynamic, and magmatic processes occurring in the areas of island arcs and other active regions of the Earth. In particular, the journal looks at present-day land and submarine volcanic activity; Neogene–Quaternary volcanism; mechanisms of plutonic activity; the geochemistry of volcanic and postvolcanic processes; geothermal systems in volcanic regions; and seismological monitoring. In addition, the journal surveys earthquakes, volcanic eruptions, and techniques for predicting them.