The depth effect of earthquakes on tsunami heights in the Sea of Okhotsk

Zaytsev, Andrey
Kostenko, Irina
Kurkin, Andrey
Pelinovsky, Efim
Yalçıner, Ahmet Cevdet
The earthquake of magnitude M-w = 8.3 that occurred on 24 May 2013 in the Sea of Okhotsk was the most powerful earthquake in the region. Fortunately, the generated tsunami was small because of the deep focal depth (609 km) and was only detected by the nearest Deep-ocean Assessment and Reporting of Tsunamis (DART) buoy records. However, the event highlighted the fact that any earthquakes with similar magnitudes at shallower focal depths would have caused considerable tsunamis. In order to evaluate the effects of possible tsunamis in the Sea of Okhotsk, we simulated water displacements due to the 24 May 2013 event and compared the results with the measurements. Moreover, the simulations were extended using different shallower focal depths. In simulations we calculated the coastal amplifications and possible heights of the tsunami waves along the coast of the Sea of Okhotsk.


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The possibility of tsunami in the Sea of Okhotsk caused by deep-focus earthquakes
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The earthquake that occurred on May 24, 2013, in the basin of the Sea of Okhotsk with a magnitude of 8.3 was the strongest in this region. We have modeled a possible tsunami caused by such an earthquake. The simulations confirm that the wave heights were sufficiently small because the earthquake epicenter depth was 640 km. We analyze the oscillations of the DART buoys in the vicinity of the earthquake source and show that they were not associated with the tsunami waves. Analysis of the available pressure ga...
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Citation Formats
A. Zaytsev, I. Kostenko, A. Kurkin, E. Pelinovsky, and A. C. Yalçıner, “The depth effect of earthquakes on tsunami heights in the Sea of Okhotsk,” TURKISH JOURNAL OF EARTH SCIENCES, pp. 289–299, 2016, Accessed: 00, 2020. [Online]. Available: