Integrated Ocean Drilling Program Expedition 344 preliminary report; Costa Rica Seismogenesis Project, Program A Stage 2 (CRISP-A2); sampling and quantifying lithologic inputs and fluid inputs and outputs of the seismogenic zone; 23 October-11 December 2012

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doi: 10.2204/
Author(s): Harris, Robert N.; Sakaguchi, Arito; Petronotis, Katerina; Malinverno, Alberto; Baxter, Alan T.; Berg, Richard; Burkett, Ashley; Charpentier, Delphine; Choi, Jiyoung; Ferreiro, Paula Diz; Hamahashi, Mari; Hashimoto, Yoshitaka; Heydolph, Ken; Jovane, Luigi; Kastner, Miriam; Kurz, Walter; Kutterolf, Steffen O.; Li Yongxiang; Martin, Kylara M.; Millan, Cristina; Nascimento, Débora B.; Saito, Saneatsu; Sandoval Gutierrez, Maria I.; Screaton, Elizabeth J.; Smith-Duque, Christopher E.; Solomon, Evan A.; Straub, Susanne M.; Tanikawa, Wataru; Torres, Marta E.; Uchimura, Hitomi; Vannucchi, Paola; Yamamoto, Yuzuru; Yan Quanshu; Zhao, Xixi
Integrated Ocean Drilling Program, Expedition 344 Scientists, College Station, TX
Author Affiliation(s): Primary:
Oregon State University, College of Earth, Oceanic, and Atmospheric Sciences, Corvallis, OR, United States
Japan Agency for Marine-Earth Science and Technology, Japan
Texas A&M University, United States
Lamont-Doherty Earth Observatory, United States
University of New England, Australia
University of Washington, United States
Indiana State University, United States
Université de Franche-Comté, France
Korea Institute of Geoscience and Mineral Resources, South Korea
University of Vigo, Spain
University of Tokyo, Japan
Kochi University, Japan
Helmholtz Centre for Ocean Research-Kiel, Germany
Universidade de Sao Paulo, Brazil
University of California at San Diego, United States
University of Graz, Austria
Nanjing University, China
Naval Research Laboratory, United States
Ohio State University, United States
Universidade Federal do Rio de Janeiro, Brazil
Université de Lausanne, Switzerland
University of Florida, United States
University of Southampton, United Kingdom
Kumamoto University, Japan
State Oceanic Admionstration, China
University of California at Santa Cruz, United States
Source: Preliminary Report (Integrated Ocean Drilling Program), Vol.344, 81p. Publisher: IODP Management International, College Station, TX, United States. ISSN: 1932-9423
Note: In English. 132 refs.
Summary: The Costa Rica Seismogenesis Project (CRISP) is designed to elucidate the processes that control nucleation and seismic rupture of large earthquakes at erosional subduction zones. The CRISP study area is located offshore the Osa Peninsula where the incoming Cocos Ridge has lifted the seismogenic zone to within reach of scientific drilling. This area is characterized by low sediment supply, a fast convergence rate, abundant plate interface seismicity, and a change in subducting plate relief along strike. In addition to elucidating processes at erosional convergent margins, this project is complementary to other deep fault drilling projects (e.g., The Nankai Trough Seismogenic Zone Experiment and J-FAST). Expedition 344 is the second expedition of CRISP Program A (Integrated Ocean Drilling Program Proposal 537A-Full5), a first step toward deep riser drilling through the seismogenic zone. The focus of CRISP Program A is on the shallow lithologic, hydrologic, stress, and thermal conditions that lead to unstable slip in the seismogenic zone. Together with Expedition 334, the first expedition of CRISP Program A, these data provide exciting insights into the nature of seismogenesis and erosive plate boundaries.
Year of Publication: 2013
Research Program: IODP Integrated Ocean Drilling Program
Key Words: 12 Stratigraphy, Historical Geology and Paleoecology; 19 Geophysics, Seismology; Algae; Biostratigraphy; Boreholes; Caribbean Plate; Caribbean region; Cenozoic; Central America; Cocos Plate; Cocos Ridge; Cores; Costa Rica; Costa Rica Seismogenesis Project; Crust; Decollement; Drilling; Earthquakes; East Pacific; Expedition 344; Faults; Fluid phase; Foraminifera; Genesis; Geophysical methods; Geophysical profiles; Geophysical surveys; Heat flow; IODP Site U1380; IODP Site U1381; IODP Site U1412; IODP Site U1413; IODP Site U1414; Integrated Ocean Drilling Program; Invertebrata; Lithostratigraphy; Magnetostratigraphy; Marine drilling; Marine sediments; Microfossils; Nannofossils; North Pacific; Northeast Pacific; Oceanic crust; Osa Peninsula; Pacific Ocean; Plantae; Plate convergence; Plate tectonics; Protista; Sediments; Seismic methods; Seismic profiles; Subduction zones; Surveys; Vertical seismic profiles; Volatiles; Well logs
Coordinates: N082500 N084500 W0840400 W0841400
Record ID: 2013021262
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