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Tilt observations in the normal mode frequency band at the Geodynamic Observatory Cueva de los Verdes, Lanzarote

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dc.contributor.authorKalinina, A.V.
dc.contributor.authorVolkov, VA
dc.contributor.authorGorbatikov, AV
dc.contributor.authorArnoso, J.
dc.contributor.authorVieira, R.
dc.contributor.authorBenavent Merchán, María Teresa
dc.date.accessioned2023-06-20T09:31:57Z
dc.date.available2023-06-20T09:31:57Z
dc.date.issued2004
dc.descriptionInternational Complutense Seminar on Geodetic and Geophysical Effects Associated with Seismic and Volcanic Hazards, Oct 08-11, 2001, Madrid, Spain
dc.description.abstractWe have conducted observations with the aid of a seismo-tiltmeter station, which is based on the Ostrovsky pendulum and installed at the Geodynamic Observatory Cueva de los Verdes at Lanzarote Island since 1995. In this station the signal is separated into two frequency bands – tidal tilts (from 0 to 5 mHz) and ground oscillations in the frequency range of free Earth’s normal modes (from 0.2 to 5 mHz). The later band, called accelerometer channel, has additional amplification. We analyzed the background records in the frequency range of Earth’s free oscillations from August 2000 to September 2001, as well as, Earth’s normal modes after strong earthquakes. We found several distinctive persistent peaks in the spectra of background oscillations. Both amplitudes of distinguished peaks and noises have seasonal variations. We found that spectra of background oscillations are different in the frequency interval between 1.4 and 2.5 mHz for North- South and East-West components.
dc.description.departmentUnidad Deptal. de Astronomía y Geodesia
dc.description.facultyFac. de Ciencias Matemáticas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/14808
dc.identifier.doi10.1007/s00024-004-2523-4
dc.identifier.issn0033-4553
dc.identifier.officialurlhttp://www.springerlink.com/content/21ctj1wrvarpmt7f/fulltext.pdf
dc.identifier.urihttps://hdl.handle.net/20.500.14352/49827
dc.issue.number7
dc.journal.titlePure and Applied Geophysics
dc.language.isoeng
dc.page.final1611
dc.page.initial1597
dc.publisherBirkhauser Verlag
dc.rights.accessRightsrestricted access
dc.subject.cdu551.2/.3
dc.subject.keywordEarths Free Oscillations
dc.subject.keywordCanary-Islands
dc.subject.keywordCrustal Structure
dc.subject.keywordIncessant Excitation
dc.subject.keywordGravity
dc.subject.keywordbackground Earth's oscillations
dc.subject.keywordEarth's normal modes
dc.subject.keywordseismo-tiltmeter
dc.subject.keywordtidal tilts
dc.subject.keywordLanzarote
dc.subject.keywordCanary
dc.subject.keywordGeochemistry & Geophysics
dc.subject.ucmGeofísica
dc.subject.unesco2507 Geofísica
dc.titleTilt observations in the normal mode frequency band at the Geodynamic Observatory Cueva de los Verdes, Lanzarote
dc.typejournal article
dc.volume.number161
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