Japan Geoscience Union Meeting 2015

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Symbol S (Solid Earth Sciences) » S-SS Seismology

[S-SS27] Earthquake prediction and forecast

Sun. May 24, 2015 6:15 PM - 7:30 PM Convention Hall (2F)

Convener:*Junichi Nakajima(Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University)

6:15 PM - 7:30 PM

[SSS27-P05] On the witness testimonies before the 1946 Nankai earthquake on the Pacific coast of Kii peninsula, Japan

*Yasuhiro UMEDA1, Satoshi ITABA1 (1.GSJ, AIST)

Keywords:1946 Nankai earthquake, witness testimony, well water, sea level change, land subsidence

On the coast area of Kii peninsula, the witness testimonies before the 1946 Nankai earthquake were examined by literature surveys. Reduced or muddy well water has been witnessed in 14 locations. Sea level change has been witnessed in three locations. Land subsidence has also been reported, but it may also post-seismic phenomenon of 1944 Nankai earthquake.