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IODP Expedition 386

Japan Trench Paleoseismology

Tracking past earthquakes in the sediment record

Exp. 386 blog posts

LATEST POSTS


IODP drilling off Tohoku: J-FAST science to be expanded by Expedition 386

Having knowledge that resulted from IODP Expedition 343 JFAST in hand, looking at paleoseismic events, “fossils” of past earthquakes, becomes more important. The slope from the continental shelf to the Japan trench is not a gentle slope; it is rough, with terraces and basins, which seismic reflection surveys tell us have been filled with layers of deposits from other slope failure events.

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The IODP Expedition 386 Japan Trench Paleoseismology
April 2021

This expedition is being jointly implemented by the European Consortium for Ocean Research Drilling (ECORD), Science Operator (ESO),
and the Institute for Marine-Earth Exploration and Engineering (MarE3)
within the Japan Agency for Marine-Earth Science and Technology (JAMSTEC).

Mission-specific platform

IODP Expedition 386 in numbers


2

vessels

18

drill sites

7-8 km

water depth

40 m

drilling depth

50

day offshore

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