{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Smith JL"],"funding":["Natural Environment Research Council","EMSO ERIC Physical Access Programme"],"pagination":["7"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12765012"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16(1)"],"pubmed_abstract":["Offshore earthquakes can cause widespread destruction due to directly propagating seismic vibrations and/or the generation of tsunamis. Early warning of offshore earthquakes is vital, but their location complicates identification of clear early warning (EW) signatures. Distributed acoustic sensing (DAS), applied to offshore fibre-optic cables offers the prospect to improve early warning of offshore events. We use a DAS dataset acquired from a 30 km submarine cable spanning a complex bathymetry, offshore Sicily, to contribute to a proof-of-concept using five regional earthquakes to investigate factors impacting incident body wave detection capabilities. We demonstrate observations for P- and S-waves incident parallel and perpendicular to the cable, and that cable coupling to the surrounding"],"journal":["Scientific reports"],"pubmed_title":["Azimuthal sensitivity and spatio-temporal decimation of data from distributed acoustic sensing on submarine cables for offshore earthquake early warning systems."],"pmcid":["PMC12765012"],"funding_grant_id":["NE/Z000408/1; NE/Y003365/1; NE/Y005589/1","EE-PA_202306_01","EP/W524384/1"],"pubmed_authors":["Belal M","Smith JL","Spingys C","Embriaco D","Curtis A","Neale JW","Lythgoe K"],"additional_accession":[]},"is_claimable":false,"name":"Azimuthal sensitivity and spatio-temporal decimation of data from distributed acoustic sensing on submarine cables for offshore earthquake early warning systems.","description":"Offshore earthquakes can cause widespread destruction due to directly propagating seismic vibrations and/or the generation of tsunamis. Early warning of offshore earthquakes is vital, but their location complicates identification of clear early warning (EW) signatures. Distributed acoustic sensing (DAS), applied to offshore fibre-optic cables offers the prospect to improve early warning of offshore events. We use a DAS dataset acquired from a 30 km submarine cable spanning a complex bathymetry, offshore Sicily, to contribute to a proof-of-concept using five regional earthquakes to investigate factors impacting incident body wave detection capabilities. We demonstrate observations for P- and S-waves incident parallel and perpendicular to the cable, and that cable coupling to the surrounding","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Nov","modification":"2026-06-06T10:21:10.94Z","creation":"2026-05-28T03:13:08.506Z"},"accession":"S-EPMC12765012","cross_references":{"pubmed":["41291069"],"doi":["10.1038/s41598-025-29234-5"]}}