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Kopp, Heidrun; Lange, Dietrich; Thorwart, Martin; Dannowski, Anke; Schmidt-Aursch, Mechita (2022): Project LOBSTER: DEPAS and GEOMAR ocean-bottom seismometer operations in the Ligurian Sea in 2017-2018 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.952517

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Published: 2022-12-19DOI registered: 2023-02-02

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Abstract:
The long-term network comprising ocean bottom broadband seismometers (OBS) forms an integral part of the European AlpArray initiative and the German DFG Priority Programme SPP ‚Mountain Building in 4 Dimensions' MB 4D (http://www.spp-mountainbuilding.de/). The instruments are deployed with a mean distance of 25 nm (46km) to the neighboring station (28 nm (51 km) to neighboring three stations) west and north of the island of Corsica. The westernmost instruments are located near the Gulf of Lions and the northernmost instruments were installed off the Ligurian coast.
The scientific aim of the LOBSTER project is manifold: (1) characterisation of the crust and upper mantle of the Ligurian Basin and the transition from the oceanic to the continental domain; (2) understanding the structures and kinematics of rifting during the opening of the Ligurian Sea; (3) imaging the prolongation of the Alpine front; and (4) studying the recent deformation in the Ligurian Basin and the surrounding coastal areas as imaged through local seismicity.
Additionally, the AlpArray OBS network was important to complete the densely spaced AlpArray broadband seismic network. The technical aim of the LOBSTER project is to provide consistent data that can be smoothly integrated into the land data. Instruments have been deployed in June 2017 by RV Pourquois Pas and recovered after 8 months of recording in January 2018 by RV Maria S Merian (MSM71).
Related to:
Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung; et al. (2017): DEPAS (Deutscher Geräte-Pool für amphibische Seismologie): German Instrument Pool for Amphibian Seismology. Journal of large-scale research facilities JLSRF, 3, https://doi.org/10.17815/jlsrf-3-165
AlpArray Seismic Network (2015): AlpArray Seismic Network (AASN) temporary component. AlpArray Working Group. Other/Seismic Network, https://doi.org/10.12686/alparray/z3_2015 (Link to processed primary data)
Dannowski, Anke; Kopp, Heidrun; Grevemeyer, Ingo; Lange, Dietrich; Thorwart, Martin; Bialas, Jörg; Wollatz-Vogt, Martin (2020): Seismic evidence for failed rifting in the Ligurian Basin, Western Alpine domain. Solid Earth, 11(3), 873-887, https://doi.org/10.5194/se-11-873-2020
Kopp, Heidrun; Lange, Dietrich; Thorwart, Martin; Paul, Anne; Dannowski, Anke; Petersen, Florian; Aubert, Coralie; Beek, Florian; Beniest, Anouk; Besancon, Simon; Brotzer, Andreas; Caielli, Grazia; Crawford, Wayne C; Deen, Martha; Lehmann, Carsten; Marquardt, Kevin; Neckel, Morlin; Papanagnou, Leonie; Schramm, Bettina; Schröder, Patrick; Steffen, Klaus-Peter; Wolf, Felix-Noah; Xia, Yueyang (2018): RV MARIA S. MERIAN Fahrtbericht / Cruise Report MSM71 LOBSTER: Ligurian Ocean Bottom Seismology and Tectonics Research, Las Palmas (Spain) - Heraklion (Greece) 07.02.-27.02.2017. GEOMAR Report (N. Ser.), 41, 47 pp, https://doi.org/10.3289/GEOMAR_REP_NS_41_2018
Thorwart, Martin; Dannowski, Anke; Grevemeyer, Ingo; Lange, Dietrich; Kopp, Heidrun; Petersen, Florian; Crawford, Wayne C; Paul, Anne; AlpArray Working Group (2021): Basin inversion: reactivated rift structures in the central Ligurian Sea revealed using ocean bottom seismometers. Solid Earth, 12(11), 2553-2571, https://doi.org/10.5194/se-12-2553-2021
Wolf, Felix-Noah; Lange, Dietrich; Dannowski, Anke; Thorwart, Martin; Crawford, Wayne C; Wiesenberg, Lars; Grevemeyer, Ingo; Kopp, Heidrun; AlpArray Working Group (2021): 3D crustal structure of the Ligurian Basin revealed by surface wave tomography using ocean bottom seismometer data. Solid Earth, 12(11), 2597-2613, https://doi.org/10.5194/se-12-2597-2021
Funding:
German Research Foundation (DFG), grant/award no. KO_2961/6-1: Mountain building in 4 dimensions (4DMB)
German Research Foundation (DFG), grant/award no. LA_2970/4-1: Mountain building in 4 dimensions (4DMB)
German Research Foundation (DFG), grant/award no. TH_2440/1-1: Mountain building in 4 dimensions (4DMB)
Coverage:
Median Latitude: 42.560063 * Median Longitude: 6.771500 * South-bound Latitude: 41.710000 * West-bound Longitude: 5.019000 * North-bound Latitude: 43.850000 * East-bound Longitude: 9.230000
Date/Time Start: 2017-06-15T14:53:00 * Date/Time End: 2018-02-23T05:36:00
Minimum ELEVATION: -2752 m a.s.l. * Maximum ELEVATION: -1133 m a.s.l.
Event(s):
Z3_A402A  * Latitude: 42.879000 * Longitude: 5.300500 * Date/Time Start: 2017-06-20T07:32:00 * Date/Time End: 2018-02-16T02:27:00 * Elevation: -1632.0 m * Location: off Corsica * Method/Device: Ocean bottom seismometer (OBS)
Z3_A404A  * Latitude: 42.178000 * Longitude: 5.019300 * Date/Time Start: 2017-06-17T02:46:00 * Date/Time End: 2018-02-15T18:29:00 * Elevation: -2013.0 m * Location: off Corsica * Method/Device: Ocean bottom seismometer (OBS)
Z3_A405A  * Latitude: 42.412000 * Longitude: 5.303700 * Date/Time Start: 2017-06-16T02:19:00 * Date/Time End: 2018-02-15T21:34:00 * Elevation: -2192.0 m * Location: off Corsica * Method/Device: Ocean bottom seismometer (OBS)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventKopp, Heidrun
ProjectProjectKopp, Heidrun
Principal investigatorPIKopp, Heidrun
CodeCodeKopp, HeidrunFDSN Network Code
Station labelStationKopp, Heidrun
Date/time startDate/time startKopp, HeidrunRecording
Date/time startDate/time startKopp, HeidrunDeployment
LATITUDELatitudeKopp, HeidrunGeocode
LONGITUDELongitudeKopp, HeidrunGeocode
10 ELEVATIONElevationm a.s.l.Kopp, HeidrunGeocode
11 Date/time endDate/time endKopp, HeidrunRecovery
12 Date/time endDate/time endKopp, HeidrunRecording
13 Clock skewSkewµsKopp, Heidrun
14 Recorder typeRecorderKopp, Heidrun
15 Recorder, serial numberRecorder SNKopp, Heidrun
16 Seismometer typeSeismometerKopp, Heidrun
17 Seismometer, serial numberSeismometer SNKopp, Heidrun
18 Seismometer gainSeismometer gainKopp, Heidrun
19 Hydrophone typeHydrophoneKopp, Heidrun
20 Hydrophone, serial numberHydrophone SNKopp, Heidrun
21 Hydrophone gainHydrophone gainKopp, Heidrun
22 Hydrophone polarityHydrophone polKopp, Heidrun
23 Sampling rateSampling rateHzKopp, Heidrun
24 Cruise/expeditionExpeditionKopp, Heidrun
25 Binary ObjectBinaryKopp, HeidrunAuxiliary data
26 Binary ObjectBinaryKopp, HeidrunLog file
27 Binary ObjectBinaryKopp, HeidrunRaw data
28 Binary ObjectBinaryKopp, HeidrunSeismometer state of health
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
379 data points

Data

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Event

Project

PI

Code
(FDSN Network Code)

Station

Date/time start
(Recording)

Date/time start
(Deployment)

Latitude

Longitude
10 
Elevation [m a.s.l.]
11 
Date/time end
(Recovery)
12 
Date/time end
(Recording)
13  
Skew [µs]
14 
Recorder
15 
Recorder SN
16 
Seismometer
17 
Seismometer SN
18  
Seismometer gain
19 
Hydrophone
20 
Hydrophone SN
21  
Hydrophone gain
22 
Hydrophone pol
23  
Sampling rate [Hz]
24 
Expedition
25 
Binary
(Auxiliary data)
26 
Binary
(Log file)
27 
Binary
(Raw data)
28 
Binary
(Seismometer state of health)
Z3_A402A LOBSTERH. KoppZ3A402A2017-06-19T13:182017-06-20T07:3242.8795.301-16322018-02-16T02:272018-02-16T21:1015047576D661607097Trillium Compact 120s32271HTI-04-PCA/ULF9840071Normal250Pourquoi Pas / MSM71Z3.A402A.auxZ3.A402A.logZ3.A402A.6d6Z3.A402A.soh
Z3_A404A LOBSTERH. KoppZ3A404A2017-06-19T13:122017-06-17T02:4642.1785.019-20132018-02-15T18:292018-02-15T21:46-45549576D661607095Trillium Compact 120s1411HTI-04-PCA/ULF9840031Normal250Pourquoi Pas / MSM71Z3.A404A.auxZ3.A404A.logZ3.A404A.6d6
Z3_A405A LOBSTERH. KoppZ3A405A2017-06-15T16:102017-06-16T02:1942.4125.304-21922018-02-15T21:342018-02-15T22:49-2788856D661607086Trillium Compact 120s32231HTI-04-PCA/ULF7000491Normal250Pourquoi Pas / MSM71Z3.A405A.auxZ3.A405A.logZ3.A405A.6d6Z3.A405A.soh
Z3_A406A LOBSTERH. KoppZ3A406A2017-06-22T15:242017-06-22T18:0142.6465.857-23992018-02-16T07:402018-04-25T11:5840777156D661607098Trillium Compact 120s1608-2181HTI-04-PCA/ULF9840031Normal250Pourquoi Pas / MSM71Z3.A406A.auxZ3.A406A.logZ3.A406A.6d6
Z3_A409A LOBSTERH. KoppZ3A409A2017-06-17T13:512017-06-18T01:1843.3487.517-19812018-02-17T09:492018-02-17T11:07-16002106D661607093Trillium Compact 120s32111HTI-04-PCA/ULF7000431Normal250Pourquoi Pas / MSM71Z3.A409A.auxZ3.A409A.logZ3.A409A.6d6Z3.A409A.soh
Z3_A412A LOBSTERH. KoppZ3A412A2017-06-15T16:452017-06-16T09:2741.9435.304-25192018-02-12T08:422018-02-12T09:54-7651076D661607085Trillium Compact 120s32241HTI-04-PCA/ULF7000651Normal250Pourquoi Pas / MSM71Z3.A412A.auxZ3.A412A.logZ3.A412A.6d6Z3.A412A.soh
Z3_A414A LOBSTERH. KoppZ3A414A2017-06-15T13:542017-06-15T14:5342.1785.858-24632018-02-15T12:462018-02-15T14:43-22231156D661607088Trillium Compact 120s31941HTI-04-PCA/ULF7000541Normal250Pourquoi Pas / MSM71Z3.A414A.auxZ3.A414A.logZ3.A414A.6d6Z3.A414A.soh
Z3_A415A LOBSTERH. KoppZ3A415A2017-06-15T15:472017-06-15T18:0242.4126.411-25952018-02-16T12:372018-02-16T13:41-23279416D661607087Trillium Compact 120s32181HTI-04-PCA/ULF7000471Normal250Pourquoi Pas / MSM71Z3.A415A.auxZ3.A415A.logZ3.A415A.6d6Z3.A415A.soh
Z3_A417A LOBSTERH. KoppZ3A417A2017-06-17T13:442017-06-17T21:0842.8807.518-26772018-02-17T12:222018-02-17T13:27-16344566D661607092Trillium Compact 120s32301HTI-04-PCA/ULF7000531Normal250Pourquoi Pas / MSM71Z3.A417A.auxZ3.A417A.logZ3.A417A.6d6Z3.A417A.soh
Z3_A418A LOBSTERH. KoppZ3A418A2017-06-19T13:062017-06-19T13:3743.0008.071-26322018-02-17T15:022018-02-17T16:0842567196D661607099Trillium Compact 120s1561HTI-04-PCA/ULF9840041Normal250Pourquoi Pas / MSM71Z3.A418A.auxZ3.A418A.logZ3.A418A.6d6
Z3_A420A LOBSTERH. KoppZ3A420A2017-06-24T06:162017-06-24T18:1343.4549.195-13542018-02-19T13:382018-02-20T07:2312517306D661607100Trillium Compact 120s1571HTI-01-PCA/ULF312019021Normal250Pourquoi Pas / MSM71Z3.A420A.auxZ3.A420A.logZ3.A420A.6d6
Z3_A421A LOBSTERH. KoppZ3A421A2017-06-16T06:522017-06-17T03:3041.7155.850-25252018-02-15T09:592018-02-15T14:20-24538126D663667089Trillium Compact 120s32261HTI-04-PCA/ULF7000421Normal250Pourquoi Pas / MSM71Z3.A421A.auxZ3.A421A.logZ3.A421A.6d6Z3.A421A.soh
Z3_A423A LOBSTERH. KoppZ3A423A2017-06-18T11:012017-06-18T14:4842.1786.964-27062018-02-16T15:382018-02-16T16:46-8784056D661607094Trillium Compact 120s32161HTI-04-PCA/ULF7000501Normal250Pourquoi Pas / MSM71Z3.A423A.auxZ3.A423A.logZ3.A423A.6d6Z3.A423A.soh
Z3_A428A LOBSTERH. KoppZ3A428A2017-06-16T07:142017-06-17T08:3441.7106.964-27342018-02-23T05:362018-02-23T07:102451356D661607090Trillium Compact 120s32151HTI-04-PCA/ULF7000481Normal250Pourquoi Pas / MSM71Z3.A428A.auxZ3.A428A.logZ3.A428A.6d6Z3.A428A.soh
Z3_A430A LOBSTERH. KoppZ3A430A2017-06-17T13:392017-06-17T16:2142.1787.981-27522018-02-16T19:502018-02-16T21:03-16912146D661607091Trillium Compact 120s32101HTI-04-PCA/ULF7000451Normal250Pourquoi Pas / MSM71Z3.A430A.auxZ3.A430A.logZ3.A430A.6d6Z3.A430A.soh
Z3_A434A LOBSTERH. KoppZ3A434A2017-06-24T06:082017-06-17T13:1443.8509.230-11332018-02-22T14:132018-02-20T07:27-9608236D661607067Trillium Compact 120s1531HTI-04-PCA/ULF9840021Normal250Pourquoi Pas / MSM71Z3.A434A.auxZ3.A434A.logZ3.A434A.6d6