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Giant Earthquakes are Occurring at Lunar Phases Specific to Each Subduction Zone

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/59113

Title: Giant Earthquakes are Occurring at Lunar Phases Specific to Each Subduction Zone
Authors: Fujii, Yoshiaki Browse this author →KAKEN DB
Kodama, Jun-ichi Browse this author →KAKEN DB
Fukuda, Daisuke Browse this author →KAKEN DB
Keywords: Giant earthquakes
Lunar phase
Subduction zone
Delay from spring tide
Statistical testing
Issue Date: 10-May-2015
Publisher: International Society for Rock Mechanics
Journal Title: Proceedings ISRM Congress 2015
Volume: 2015
Start Page: 513
Abstract: Here, we statistically proved that giant earthquakes occur at lunar phases specific to each subduction zone. Enough attention during the lunar period, especially when seismicity is occurring, will significantly reduce damage from giant earthquakes. Two case studies in which giant earthquakes occurred after seismicity in dangerous lunar phases were discussed, and the mechanisms underlying why giant earthquakes occur around neap tide at some subduction zones were explained by prohibition of giant earthquake occurrences due to high strain rates at spring tides at N–S subduction zones. The prohibition was statistically proven for uniaxial creep tests on Inada granite with slight stress disturbances.
Description: ISRM Congress 2015(13th ISRM International Congress on Rock Mechanics). 10-13 May 2015. Montréal, Canada.
Conference Name: ISRM Congress 2015(13th ISRM International Congress on Rock Mechanics)
Conference Place: Montréal
Type: proceedings (author version)
URI: http://hdl.handle.net/2115/59113
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 藤井 義明

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