The 25 march 2020 tsunami at the Kuril islands: Analysis and numerical simulation

Date

2020-11-01

Author

Zaytsev, Andrey
Dogan, Gozde Guney
Dolgikh, Grigory
Dolgikh, Stanislav
Yalçıner, Ahmet Cevdet
Pelinovsky, Efim

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A strong earthquake with a magnitude of 7.5 occurred near the island of Paramushir (KurilIslands) on 25 March 2020. It caused a weak tsunami in Kamchatka and the Kuril Islands.Earthquake and tsunami data from three DART buoys are discussed and compared withnumerical simulations. It is shown that the calculated and measured tsunami characteristics onthe DART buoys is in very good agreement. There are also data on the recording of thisearthquake by a laser strain-meter installed in the Sea of Japan at Shults cape at a distance ofmore than 2,000 km from the epicenter of the earthquake. There is also an instrumentalrecording of the tsunami at the Vodopadnaya point in the southeast of Kamchatka.Unfortunately, there was a large storm at sea at this time, and the amplitudes of tsunami wavesand storm waves were comparable to each other, so here the agreement between calculationsand observations does not seem good enough.

Subject Keywords

Laser strain-meter, Numerical simulation, Shallow-water equations, Tsunami, Tsunami observations

URI

https://hdl.handle.net/11511/93814

Journal

Science of Tsunami Hazards

Collections

Department of Civil Engineering, Article

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Citation Formats

A. Zaytsev, G. G. Dogan, G. Dolgikh, S. Dolgikh, A. C. Yalçıner, and E. Pelinovsky, “The 25 march 2020 tsunami at the Kuril islands: Analysis and numerical simulation,” Science of Tsunami Hazards, vol. 39, no. 4, pp. 243–253, 2020, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/93814.