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FIELD TRIP & TECHNICAL TOURS

Two 1-day field trips are planned and the delegates will depart on 23 August (Fri.) morning and will return on the evening.

Field Trip 1
Area Attacked by the 2011 Earthquake Tsunami & Paleo-tsunami deposition
This tour includes a technical tour to the areas attacked by the 2011 the Great East Japan Earthquake tsunami near the coastal area of Sendai City. This mega earthquake tsunami brought unprecedented damages in Japan, and posed us with enormous challenges. Delegates will visit the deeply damaged coastal area and some small outcrops related with the paleo-tsunami (AD 869 Jogan tsunami) deposition. The Jogan earthquake of 13 July 869 may be the only documented event to have occurred with a possible magnitude and location similar to that of the 2011 earthquake1). Delegates will then visit historical places which inform us of the memories for tsunami inundation by paleo-tsunamis. This field trip will be held with the cooperation of the International Research Institute of Disaster Science, Tohoku University.
Area attacked by the 2011 earthquake tsunami
(North of Natori river mouth at 13 March 2011).
2011 Tohoku-oki and 869 AD Jogan tsunami deposits at Arahama, Sendai City2).


Field Trip 2
Aratozawa Landslide & Cultural Tour in Hiraizumi
This tour starts with a visit to massive landslide triggered by 2008 Iwate-Miyagi inland earthquake in the Aratozawa Dam area. The seismic peak ground acceleration was greater than 1,000 gal in this area. The earthquake triggered a massive landslide at the upper reach of the dam. The landslide had the sediment volume of over 67 million cubic meters.
Delegates will then be guided to cultural tour in Hiraizumi. The cultural heritage of Hiraizumi was inscribed on the World Heritage List at 2011. In Hiraizumi, there is a well-preserved group of various temples and gardens that were created based on Buddhism, particularly the thought of Pure Land Buddhism. These temples and gardens, which were an attempt to create an ideal world, were the product of both influence from abroad and unique developments achieved here in Japan.d
Aratozawa Massive Landslide3). World heritage Hiraizumi
(http://hiraizumi.or.jp/en/index.html).

1) Simons et al., Science (2011).
2) Goto et al., Marine Geology (2011).
3) Miyagi et al., Landslides (2011).