Specific features of earth’s free oscillations after deep-focus sea of Okhotsk earthquake of May 24, 2013
- Authors: Kuzin I.P.1, Lobkovsky L.I.1, Dozorova K.A.1
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Affiliations:
- P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences
- Issue: Vol 488, No 6 (2019)
- Pages: 651-654
- Section: Geophysics
- URL: https://journals.eco-vector.com/0869-5652/article/view/17761
- DOI: https://doi.org/10.31857/S0869-56524886651-654
- ID: 17761
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Abstract
A description of initial excitation of spheroidal mode 0S2 initiated by the 2013 Sea of Okhotsk earthquake (Mw= 8.3) is presented. It is based on newly revealed fact of standing P-wave origination in the epicenter of the Sea of Okhotsk earthquake and excitation of traveling surface P-waves on the Earth’s surface by this wave. A new interpretation of the nature of free spheroidal Earth’s oscillations in case of strong earthquake (М ≥7,5) is proposed. The spheroidal mode 0S2 is interpreted as combination of standing and traveling P-waves, transferring the Earth’s strain energy.
About the authors
I. P. Kuzin
P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences
Author for correspondence.
Email: ivkuzin2013@yandex.ru
Russian Federation, 36, Nakhimovskii prospect, Moscow, 117997
L. I. Lobkovsky
P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences
Email: ivkuzin2013@yandex.ru
Corresponding Member of the Russian Academy of Sciences
Russian Federation, 36, Nakhimovskii prospect, Moscow, 117997K. A. Dozorova
P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences
Email: ivkuzin2013@yandex.ru
Russian Federation, 36, Nakhimovskii prospect, Moscow, 117997
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