Project LOKI: DEPAS ocean-bottom seismometer operations at Loki's Castle vent field in 2019-2020 ...

This ocean-bottom seismometer deployment is part of the LoCHnESs (Loki Castle Hydrothermal iN-situ Experiements and Surveys) project examining hydrothermal fluid circulation at Loki's Castle vent field. The project is led by PI Thibaut Barreyre at the Centre for Deep Sea Research, Department of...

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Bibliographic Details
Main Authors: Barreyre, Thibaut, Ottemöller, Lars, Schlindwein, Vera, Pedersen, Rolf B, Schmidt-Aursch, Mechita
Format: Dataset
Language:English
Published: PANGAEA 2023
Subjects:
Event label
Project
Principal investigator
Code
Station label
Date/time start
LATITUDE
LONGITUDE
ELEVATION
Date/time end
Clock skew
Recorder type
Recorder, serial number
Seismometer type
Seismometer, serial number
Seismometer gain
Hydrophone type
Hydrophone, serial number
Hydrophone gain
Hydrophone polarity
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Binary Object
Ocean bottom seismometer
Loki Castle Hydrothermal in-situ Experiments and Seismology Surveys LoCHnESs
Bergen
Greenland
Knipovich Ridge
Greenland Sea
Online Access:https://dx.doi.org/10.1594/pangaea.957222
https://doi.pangaea.de/10.1594/PANGAEA.957222
Description
Summary:This ocean-bottom seismometer deployment is part of the LoCHnESs (Loki Castle Hydrothermal iN-situ Experiements and Surveys) project examining hydrothermal fluid circulation at Loki's Castle vent field. The project is led by PI Thibaut Barreyre at the Centre for Deep Sea Research, Department of Earth Science, University of Bergen, Norway.A total of 8 ocean bottom seismometers (OBS) were deployed near Loki's Castle vent field at the Mohns-Knipovich Ridge bend, Norwegian-Greenland Sea. The aim of the experiment was to monitor seismicity related to changes in the hydrothermal circulation system and to reveal interaction between an active detachment fault and the axial volcanic ridge hosting the vent site. The network consisted of 8 DEPAS Lobster type broadband OBS from the German Instrument Pool for Amphibian Seismology (DEPAS). Instruments were free-fall deployed and spaced by about 5-8 km. They recorded continuously at 100 Hz for 12 months between July 2019 and July 2020. Two instruments (LOK01 and LOK06) ...

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