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<md:name>National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan</md:name>
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<md:name>British Geological Survey, The Lyell Centre</md:name>
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<md:name>Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan</md:name>
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<md:name>Division of Earth and Planetary Sciences, Kyoto University</md:name>
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<md:name>Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan</md:name>
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<md:lastName>Huang</md:lastName>
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<md:affiliation id="dataset.author75465.inst21940">
<md:name>Department of Geology, University of Innsbruck</md:name>
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<md:name>International Research Institute of Disaster Science, Tohoku University</md:name>
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<md:name>National Institute of Advanced Industrial Science and Technology</md:name>
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<md:name>Faculty of Science and Engineering, Waseda University</md:name>
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<md:lastName>Johnson</md:lastName>
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<md:name>Department of Earth Sciences University of New Hampshire, USA</md:name>
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<md:name>School of Earth Sciences University of Western Australia Australia</md:name>
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<md:affiliation id="dataset.author109692.inst21952">
<md:name>Department of Earth Resources Engineering Kyushu University Japan</md:name>
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<md:firstName>Min</md:firstName>
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<md:orcid>0000-0002-2856-3951</md:orcid>
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<md:name>College of Marine Sciences Shanghai Ocean University China</md:name>
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<md:name>Institute for Geosciences University of Bonn Germany</md:name>
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<md:name>School of Earth and Environmental Sciences Queens College</md:name>
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<md:name>GEOMAR - Helmholtz Centre for Ocean Research Kiel</md:name>
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<md:name>Faculty of Symbiotic Systems Science Fukushima University Japan</md:name>
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<md:orcid>0000-0001-6899-8995</md:orcid>
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<md:name>National Centre for Polar and Ocean Research, Ministry of Earth Sciences</md:name>
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<md:orcid>0000-0003-4701-0372</md:orcid>
<md:affiliation id="dataset.author34988.inst2974">
<md:name>CNRS, Geoscience Department, University of Rennes 1</md:name>
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<md:name>Marine Sciences Research Center, Stony Brook University</md:name>
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<md:name>Boone Pickens School of Geology, Oklahoma State University</md:name>
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<md:name>Lake Biwa Museum</md:name>
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<md:affiliation id="dataset.author109694.inst21959">
<md:name>School of Earth Sciences, The Ohio State University</md:name>
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<md:firstName>Chloé</md:firstName>
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<md:name>Lamont-Doherty Earth Observatory of Columbia University, New York</md:name>
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<md:firstName>Maxwell</md:firstName>
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<md:affiliation id="dataset.author109695.inst21960">
<md:name>Colorado School of Mines</md:name>
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<md:name>Lamont-Doherty Earth Observatory of Columbia University, New York</md:name>
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<md:firstName>Yong Hong</md:firstName>
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<md:affiliation id="dataset.author109696.inst21961">
<md:name>College of Marine Geosciences, Ocean University of China</md:name>
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<md:affiliation id="dataset.author59306.inst1093">
<md:name>Norwegian Geotechnical Institute</md:name>
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<md:affiliation id="dataset.author59306.inst277">
<md:name>MARUM - Center for Marine Environmental Sciences, University Bremen</md:name>
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<md:firstName>Sarah D</md:firstName>
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<md:affiliation id="dataset.author28941.inst21962">
<md:name>Department of Physical Sciences, University of Central Missouri</md:name>
<md:ROR>https://ror.org/02c63wv67</md:ROR>
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<md:year>2025</md:year>
<md:title>P-wave velocity of discrete samples (DPW) from IODP Hole 386-M0089A</md:title>
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<md:URI>https://doi.org/10.1594/PANGAEA.975301</md:URI>
<md:dateTime>2025-02-28T06:36:55</md:dateTime>
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<md:abstract>P-wave velocity data from discrete samples from the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology). During the onshore phase of expedition 386, which took place between 2022-02-14 – 2022-03-15 onboard D/V Chikyu, discrete samples for P-wave velocity measurements were taken from the work halves approx. every 2 meter down core using syringes with an inner diameter of 2 cm. Samples measured 2.5–3 cm long for a sample volume of ~10 cubic centimetres. Samples were then shipped to the European Petrophysics Consortium (EPC) laboratory at the University of Leicester (UK) for processing. Measurements were performed with a Geotek P-wave logger for discrete samples (PWL-D). Measurements were attempted for each sample, however, the unconsolidated lithology of some samples proved unsuitable for the instrument (e.g. too soupy or too friable to be placed between the transducers).
Operator notes: Data from section numbers &gt; 30 can be associated to a decrease in velocity values, this is likely due to cracks opening in the samples when applying pressure on it at the time of measurement (as observed by operators). For holes M0081E &amp; F Sections 1-29 velocity values are overestimated due to an issue with the calibration.
For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.2023</md:abstract>
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<md:firstName>Michael</md:firstName>
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<md:firstName>Ken</md:firstName>
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<md:year>2023</md:year>
<md:title>Japan Trench Paleoseismology</md:title>
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<md:source>Proceedings of the International Ocean Discovery Program, International Ocean Discovery Program</md:source>
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