JpGU-AGU Joint Meeting 2017

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[EJ] Oral

S (Solid Earth Sciences) » S-SS Seismology

[S-SS12] [EJ] Active faults and paleoseismology

Mon. May 22, 2017 3:30 PM - 5:00 PM A04 (Tokyo Bay Makuhari Hall)

convener:Mamoru Koarai(Earth Science course, College of Science, Ibaraki University), Nobuhiko Sugito(Faculty of Humanity and Environment, Hosei University), Nobuhisa Matsuta(Okayama University Graduate School of Education), Ken-ichi Yasue(Japan Atomic Energy Agency), Chairperson:Takeo Ishibe(Association for the Development of Earthquake Prediction), Chairperson:Taku Komatsubara(産業技術総合研究所)

4:30 PM - 4:45 PM

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[SSS12-05] Examples and types of misdates in catalogs of Japanese historical earthquakes and associated materials

*Yasuyuki Kano1 (1.Research Institute for Earthquake Prediction, Disaster Prevention Research Institute, Kyoto University)

Keywords:Fake earthquake, Misdate, 1707 Hoei earthquake, 1831 Aizu earthquake, 1847 Zenkoji earthquake, 1858 Hietsu earthquake

Dating of earthquakes is a basic practice in studies of historical earthquake. Incorrect dates of earthquakes sometimes occur because of (1) mistakes in the original material, (2) mistakes in compilation of material, such as historical records of local governments, and (3) mistakes in editing collections of materials for historical earthquakes. Eight examples are presented that show the corrected dates and causes of the error. These results may help to find other misdates in historical earthquakes, which will lead to better understanding of past earthquake occurrence.