Abstract
Following the Pohang and Gyeongju earthquakes and their aftershocks, there is no longer any zone that is safe from earthquake-related disasters in the Korean Peninsula. In order to monitor and predict earthquakes, correlation analysis of earthquakes and hydro-environmental factors are insufficient, and the development and application of hydro-environmental factor measurement equipment is still in the early stages. This study developes and verifies a more precise radon measurement device. Four specific earthquake cases (2019–2020) were selected, and the correlation of the analyses of the earthquakes and hydro-environmental factors (radon, electric conductivity (EC), water-level (WL), and water-temperature (WT)) was conducted at the three specific groundwater stations. Accordingly, was confirmed that four factors are affected by earthquakes or seismic movement. Furthermore, the variability of the EC showed an identical tendency for a certain period before an earthquake occurred, and, in particular, the variability trends for radon, WL, and EC coincided at the time of the earthquake’s occurrence.
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The Institute of Engineering Research at Daejin University provided research facilities for this work.
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Supported by: National Research Foundation of Korea (NRF) Grant by the Korea Government (MSIT) under Grant No. NRF-2021R1A2C1004790
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Lee, JK. A comprehensive approach to a variability analysis between earthquake activity and hydro-environmental factors on the Korean Peninsula. Earthq. Eng. Eng. Vib. 22, 937–950 (2023). https://doi.org/10.1007/s11803-023-2212-x
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DOI: https://doi.org/10.1007/s11803-023-2212-x