The Chelyabinsk meteoroid: A seismologist’s view

Селезнев, В. С.; Лисейкин, А. В.; Еманов, А. Ф.; Belinskaya, A.Yu.

doi:10.1134/s1028334x13090195

Cited by 4 publications

(2 citation statements)

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“…Nevertheless, it is extremely difficult to accurately estimate the yield of a bolide because of uncertainties in the meteoroid trajectory, atmosphere structure, wind speed, and air‐ground coupling. Several investigators published yield estimates for this bolide explosion, but the results vary from a few kilotons to 58 megatons (Mt) (e.g., Seleznev et al, ; Avramenko et al, ; Chernogor and Rozumenko, ; Krasnov et al, ; Lobanovsky, ). Based on the extent of window breakage in Chelyabinsk, Emel'yanenko et al () calculated the corresponding overpressure to estimate the explosive energy of the bolide and obtained yield estimates between 300 and 500 kilotons (kt).…”

Section: Introductionmentioning

confidence: 99%

Seismic characteristics of the 15 February 2013 bolide explosion in Chelyabinsk, Russia

Wei

Zhao

Xie

et al. 2018

Earth and Planetary Physics

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The seismological characteristics of the 15 February 2013 Chelyabinsk bolide explosion are investigated based on seismograms recorded at 50 stations with epicentral distances ranging from 229 to 4324 km. By using 8–25 s vertical‐component Rayleigh waveforms, we obtain a surface‐wave magnitude of 4.17±0.31 for this event. According to the relationship among the Rayleigh‐wave magnitude, burst height and explosive yield, the explosion yield is estimated to be 686 kt. Using a single‐force source to fit the observed Rayleigh waveforms, we obtain a single force of 1.03×1012 N, which is equivalent to the impact from the shock wave generated by the bolide explosion.

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Section: Introductionmentioning

confidence: 99%

Seismic characteristics of the 15 February 2013 bolide explosion in Chelyabinsk, Russia

Wei

Zhao

Xie

et al. 2018

Earth and Planetary Physics

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“…It is the largest of the known celestial bodies which have fallen to the ground after the Tunguska meteorite in 1908. The following characteristics of the Chelyabinsk meteorite are given in recent publications (Zetser, 2014;Ionov, 2013;Kopeikin et al, 2013;Emel'yanenko et al, 2013;Popova et al, 2013;Berngardt et al, 2013;Gokhberg et al, 2013;Krasnov et al, 2014;Seleznev et al, 2013;De Groot-Hedlin and Hedlin, 2014):…”

Section: Introductionmentioning

confidence: 99%

Numerical modeling of the 2013 meteorite entry in Lake Chebarkul, Russia

Козелков

Kurkin

Pelinovsky

et al. 2017

Nat. Hazards Earth Syst. Sci.

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Abstract. The results of the numerical simulation of possible hydrodynamic perturbations in Lake Chebarkul (Russia) as a consequence of the meteorite fall of 2013 (15 February) are presented. The numerical modeling is based on the Navier-Stokes equations for a two-phase fluid. The results of the simulation of a meteorite entering the water at an angle of 20 • are given. Numerical experiments are carried out both when the lake is covered with ice and when it is not. The estimation of size of the destructed ice cover is made. It is shown that the size of the observed ice hole at the place of the meteorite fall is in good agreement with the theoretical predictions, as well as with other estimates. The heights of tsunami waves generated by a small meteorite entering the lake are small enough (a few centimeters) according to the estimations. However, the danger of a tsunami of meteorite or asteroid origin should not be underestimated.

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