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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 15, issue 5
Nat. Hazards Earth Syst. Sci., 15, 1061–1068, 2015
https://doi.org/10.5194/nhess-15-1061-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Nat. Hazards Earth Syst. Sci., 15, 1061–1068, 2015
https://doi.org/10.5194/nhess-15-1061-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 27 May 2015

Research article | 27 May 2015

On a report that the 2012 M 6.0 earthquake in Italy was predicted after seeing an unusual cloud formation

J. N. Thomas1,2,3, F. Masci4, and J. J. Love5 J. N. Thomas et al.
  • 1NorthWest Research Associates, Redmond, Washington, USA
  • 2Department of Electrical and Computer Engineering, DigiPen Institute of Technology, Redmond, Washington, USA
  • 3Department of Earth and Space Sciences, University of Washington, Seattle, Washington, USA
  • 4Istituto Nazionale di Geofisica e Vulcanologia, L'Aquila, Italy
  • 5Geomagnetism Program, U.S. Geological Survey, Denver, Colorado, USA

Abstract. Several recently published reports have suggested that semi-stationary linear-cloud formations might be causally precursory to earthquakes. We examine the report of Guangmeng and Jie (2013), who claim to have predicted the 2012 M 6.0 earthquake in the Po Valley of northern Italy after seeing a satellite photograph (a digital image) showing a linear-cloud formation over the eastern Apennine Mountains of central Italy. From inspection of 4 years of satellite images we find numerous examples of linear-cloud formations over Italy. A simple test shows no obvious statistical relationship between the occurrence of these cloud formations and earthquakes that occurred in and around Italy. All of the linear-cloud formations we have identified in satellite images, including that which Guangmeng and Jie (2013) claim to have used to predict the 2012 earthquake, appear to be orographic – formed by the interaction of moisture-laden wind flowing over mountains. Guangmeng and Jie (2013) have not clearly stated how linear-cloud formations can be used to predict the size, location, and time of an earthquake, and they have not published an account of all of their predictions (including any unsuccessful predictions). We are skeptical of the validity of the claim by Guangmeng and Jie (2013) that they have managed to predict any earthquakes.

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