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Ocean-Bottom Distributed Acoustic Sensors: new tools for Underwater Seismology

Total Cost €


EC-Contrib. €






 Ocean-DAS project word cloud

Explore the words cloud of the Ocean-DAS project. It provides you a very rough idea of what is the project "Ocean-DAS" about.

tsunamis    coverage    shore    seismicity    cables    greece    spatial    measuring    demonstrator    exported    basic    tomography    instrumentation    deploying    one    except    monitoring    greatest    optic    underwater    seismological    communications    gfz    complicated    prestigious    transform    life    monitored    limited    single    adoption    near    inexistent    pinpointed    idea    lab    outstanding    solution    ocean    remote    battery    alternatives    generally    tested    biases    points    seismometers    models    warning    seismic    easily    will    span    km    expensive    cable    methodology    mitigating    telemetry    sensor    retrofit    coast    earth    arrays    worldwide    installation    full    postdam    laboratories    poor    disastrous    powerful    fiber    lack    caltech    basically    global    thousands    offshore    cheaper    telecommunication    lying    onshore    interrogated    obs    oceans    fibre    regions    sensing    environments    location    unmonitored    rapid    optoelectronic    suitable    seismology    resolution    nice    hence    sparsity    optical    data    deployable    itself    scenarios    geoazur   

Project "Ocean-DAS" data sheet

The following table provides information about the project.


Organization address
postcode: 28801

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Spain [ES]
 Total cost 0 €
 EC max contribution 150˙000 € (0%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2019-PoC
 Funding Scheme ERC-POC-LS
 Starting year 2020
 Duration (year-month-day) from 2020-01-01   to  2021-06-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

One of the greatest outstanding challenges in seismology is the sparsity of instrumentation across Earth’s oceans. Poor spatial coverage results in biases and low-resolution regions in global tomography models as well as significant location uncertainty for offshore seismicity. Also, the lack of significant seismic instrumentation offshore makes it more complicated to have reliable early warning systems capable of mitigating some of the disastrous consequences of tsunamis. Ocean-bottom seismometers (OBS) are indeed available, but they are generally very expensive and limited by rapid data telemetry and battery life except in near-shore environments. The aim of this proposal is to provide a low-cost deployable solution (basically inexistent so far) for monitoring seismicity in remote areas of the ocean. The idea would be to retrofit existing telecommunication optical fiber cables lying in the ocean and transform them (with no basic change in the cable itself) into powerful seismic sensing arrays. With a single optoelectronic unit in the end of the cable (onshore), a full span of 50 km or more could be monitored, with thousands of measuring points interrogated. The proposed solution would be much cheaper than current alternatives and could easily allow deploying a large number of these sensor arrays, particularly in currently unmonitored areas. Moreover, all the fibre-optic cables used worldwide for communications are suitable for our proposed sensor, hence the same installation methodology could be exported to a large number of scenarios. The proposed solution has been pinpointed by prestigious seismology laboratories worldwide (Caltech Seismology Lab, GFZ Postdam, GeoAzur Nice) as a system with a great potential for adoption in the seismological field. A suitable demonstrator will be developed along the project and will be field tested in collaboration with GeoAzur Nice, in an underwater cable in the coast of Greece.

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The information about "OCEAN-DAS" are provided by the European Opendata Portal: CORDIS opendata.

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