Simultaneous declines in radon and methane precursory to 2008 M W 5.0 Antung earthquake: corroboration of in-situ volatilization

T. Kuo (), W. Cheng, C. Lin, K. Fan, G. Chang and T. Yang

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2010, vol. 54, issue 2, 367-372

Abstract: Radon volatilization mechanism into the gas phase was hypothesized to explain the anomalous decline in groundwater radon precursory to the 2003 M W = 6.8 Chengkung earthquake in Taiwan. We initiated the monitoring of both radon and methane in the groundwater since November 2007 at well D1 in the Antung hot spring. The mechanism of in-situ radon volatilization has been corroborated by the simultaneous anomalous declines in groundwater-dissolved radon and methane precursory to the 2008 M W 5.0 Antung earthquake. Copyright Springer Science+Business Media B.V. 2010

Keywords: Earthquake precursors; Methane; Radon; Groundwater (search for similar items in EconPapers)
Date: 2010
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DOI: 10.1007/s11069-009-9473-1

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