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Radon-222: A Potential Short-Term Earthquake Precursor
| Petraki E1, Nikolopoulos D2*, Panagiotaras D3, Cantzos D4, Yannakopoulos P2, Nomicos C5 and Stonham J1 | |
| 1Brunel University, Department of Engineering and Design, Kingston Lane, Uxbridge, Middlesex UB8 3PH, London, UK | |
| 2TEI of Piraeus, Department of Electronic Computer Systems Engineering, Petrou Ralli and Thivon 250, GR-12244 Aigaleo, Athens, Greece | |
| 3Department of Mechanical Engineering, Technological Educational Institute (TEI) of Western Greece, Alexandrou 1, 263 34 Patras, Greece | |
| 4TEI of Piraeus, Department of Automation Engineering, Petrou Ralli and Thivon 250, GR-12244 Aigaleo, Greece | |
| 5TEI of Athens, Department of Electronic Engineering, Agiou Spyridonos, GR-12243, Aigaleo, Athens, Greece | |
| Corresponding Author : | Nikolopoulos D TEI of Piraeus, Department of Electronic Computer Systems Engineering Petrou Ralli and Thivon 250, GR-12244 Aigaleo, Athens, Greece Tel: +0030-210-5381560 Email: dniko@teipir.gr |
| Received June 07, 2015; Accepted June 22, 2015; Published June 30, 2015 | |
| Citation: Petraki E, Nikolopoulos D, Panagiotaras D, Cantzos D, Yannakopoulos P, et al. (2015) Radon-222: A Potential Short-Term Earthquake Precursor. J Earth Sci Clim Change 6: 282. doi:10.4172/2157-7617.1000282 | |
| Copyright: © 2015 Petraki E, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. | |
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Abstract
This paper attempts to survey and catalog published short-term pre-earthquake precursors based on radon gas emissions. A series of papers were searched to collect relevant data, such as the epicentral distance, the extent, time and duration of the radon disturbance and to analyze the precursory value of each observable. In general, enhanced radon emissions have been observed prior to earthquakes and this has been recorded all over the world. The abnormal radon exhalation from the interior of earth has been associated with earthquakes and is considered an important field of research. The proposed physical models attempt to relate the observed radon disturbances with deformations occurring in the earth's crust prior to forthcoming earthquakes. While the models provide some physical explanations, there are many parameters that require further investigation.
