Anomalous decrease in groundwater radon before the Taiwan M6.8 Chengkung earthquake

Journal of Environmental Radioactivity
T KuoY Lee

Abstract

On December 10, 2003, an earthquake of magnitude (M) 6.8, the strongest since 1951, occurred near the Chengkung area in eastern Taiwan. Approximately 65 d prior to the 2003 Chengkung earthquake, precursory changes in the groundwater radon concentration were observed at the Antung radon-monitoring station located 20 km from the epicenter. The radon anomaly was a decrease from a background level of 28.9 BqL(-1) to a minimum of 12.2 BqL(-1). Observations at the Antung hot spring suggest that the groundwater radon, when observed under suitable geological conditions, can be a sensitive tracer for strain changes in the crust preceding an earthquake.

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Citations

Feb 11, 2014·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·H P JaishiR C Tiwari
Aug 19, 2008·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Elsayed K Elmaghraby, Yahia A Lotfy
Jul 6, 2015·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Tadeusz Andrzej PrzylibskiLidia Fijałkowska-Lichwa
Jul 21, 2015·Journal of Environmental Radioactivity·I NevinskyE Nevinskaya
Jan 28, 2021·International Journal of Environmental Research and Public Health·Shunya NakasoneMasahide Furukawa
Jun 21, 2020·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Tadeusz Andrzej PrzylibskiRoman Wronowski

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