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Small-aperture-array translational and rotational seismograms from distant sources - An example of the Jan Mayen Mw 6.8 of 30 August 2012 earthquake

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985891%3A_____%2F16%3A00467005" target="_blank" >RIV/67985891:_____/16:00467005 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11320/16:10330170

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.pepi.2016.03.013" target="_blank" >http://dx.doi.org/10.1016/j.pepi.2016.03.013</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.pepi.2016.03.013" target="_blank" >10.1016/j.pepi.2016.03.013</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Small-aperture-array translational and rotational seismograms from distant sources - An example of the Jan Mayen Mw 6.8 of 30 August 2012 earthquake

  • Original language description

    We present the seismic rotation rate due to the earthquake of Mw 6.7 at the Jan Mayen island, obtained from broad-band seismograms at a distance of about 2740 km. The order of magnitude of the rotation rate amplitude is only 10-9 rad/s in this case. It is studied with a focus on rotation-to-translation relations. A joint analysis of the rotational and translational data allowed us to determine the true backazimuth and phase velocity of S- and Rayleigh waves. For the surface waves, we studied the frequency dependence of both the backazimuth and phase velocity (wave dispersion). The results are independently confirmed by a method based on time delays between translational records within a small-aperture array. Both methods revealed an unusual velocity drop in the dispersion curve between the periods of 18 and 22 s. This feature may be an indication of a low-velocity zone in the lower crust.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    DC - Seismology, volcanology and Earth structure

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA15-02363S" target="_blank" >GA15-02363S: Gradiometry in seismic monitoring</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physics of the Earth and Planetary Interiors

  • ISSN

    0031-9201

  • e-ISSN

  • Volume of the periodical

    256

  • Issue of the periodical within the volume

    JUL

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    12

  • Pages from-to

    1-12

  • UT code for WoS article

    000378442800001

  • EID of the result in the Scopus database

    2-s2.0-84965181969