On the witness testimonies before the 1946 Nankai earthquake on the Pacific coast of Kii peninsula, Japan

Yasuhiro UMEDA; Satoshi ITABA

Presentation information

Oral

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

[S-SS27] Earthquake prediction and forecast

Sun. May 24, 2015 11:00 AM - 12:45 PM 103 (1F)

Convener:*Junichi Nakajima(Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University), Chair:Yutaka Hayashi(Meteorological Research Institute), Takao Kumazawa(The Institute of Statistical Mathematics)

12:36 PM - 12:39 PM

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

3-min talk in an oral session

*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.