The variability of meteoroid falling

Herrera, Víctor Manuel Velasco; Cordero, G.

doi:10.1016/j.pss.2016.08.005

Cited by 2 publications

(3 citation statements)

References 32 publications

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“…In fact, the Kaali impact coincides closely with an exceptional peak ( Figure 2) in geodynamic activity recorded at 13 sites along the Swedish east coast [8] [9] [10]. Ancient local legends vividly record both sky phenomena and violent ground shaking, which suggest that the Kaali Crater may be the oldest impact event recorded by humans [11], and potentially the best meteorite impact hazard event anywhere.…”

Section: The Kaali Impact Cratermentioning

confidence: 70%

“…For the history of impact events [11], it seems important that the Kaali impact event may now be considered the oldest event observed and recorded by humans. Previously, the oldest events were the 616 BC and 645 BC events in China [11].…”

Section: Discussionmentioning

confidence: 99%

“…Supplementary Material to this paper has been posted on ResearchGate [1]. It consists of 3 papers; Observational facts on seismotectonics and a mega-tsunami in Sweden (Mörner; p. [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18], Radiocarbon chronology of the Kaali Impact (Duffy; p. [19][20][21] and Searching for a larger meteor fragment falling into the Bal-tic Sea (Mörner & Duffy;.…”

Section: Introductionmentioning

confidence: 99%

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The Kaali Impact as Trigger of a Mega-Tsunami Event and Violent Seismotectonics in Sweden

Mörner¹

2020

IJAA

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A meteorite impacted the ground in Estonia forming the Kaali Crater dated at 1183-1162 BC. It set up a Baltic-wide mega-tsunami dated at 1171 absolute varve years BC. It also triggered violent seismotectonic effect in Sweden. Ancient legends testify of direct observations of the sky phenomena and personal experiences of the ground shaking and tsunami flooding, which makes the Kaali Crater the oldest impact event documented by humans. The Ragnarök apocalypse is likely to lead its origin from the violent geodynamic activity along the Swedish east coast.

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Section: The Kaali Impact Cratermentioning

confidence: 70%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Kaali Impact as Trigger of a Mega-Tsunami Event and Violent Seismotectonics in Sweden

Mörner¹

2020

IJAA

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On the directional nature of celestial object’s fall on the earth (Part 1: distribution of fireball shower, meteor fall, and crater on earth’s surface)

Ghosh,

Chatterjee,

Banerjee

2024

Monthly Notices of the Royal Astronomical Society

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This paper investigates the directional distribution of extraterrestrial objects (meteors, fireballs, and craters) impacting Earth’s surface, and introduces a novel directional statistical mixture model to analyze their falls, validated through rigorous testing. First, we address whether these falls follow non-uniform directional patterns by explicitly employing directional statistical tools for analyzing such data. Using projection techniques for longitude and latitude and more importantly, a general spherical statistical approach, we statistically investigate the suitability of the von Mises distribution and its spherical version, the von Mises Fisher distribution, (a maximum entropy distribution for directional data). Moreover, leveraging extensive datasets encompassing meteor falls, fireball showers, and craters, we propose and validate a novel mixture von Mises-Fisher model for comprehensively analyzing extraterrestrial object falls. Our study reveals distinct statistical characteristics across datasets: fireball falls exhibit non-uniformity, while meteor craters suggest a potential for both uniform and von Mises distributions with a preference for the latter after further refinement. Meteor landings deviate from a single directional maximum entropic distribution; we demonstrate the effectiveness of an optimal 13-component mixture von Mises-Fisher distribution for accurate modeling. Similar analyses resulted in 3- and 6-component partitions for fireball and crater datasets. This research presents valuable insights into the spatial patterns and directional statistical distribution models governing extraterrestrial objects’ fall on Earth, useful for various future works.

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The variability of meteoroid falling

Cited by 2 publications

References 32 publications

The Kaali Impact as Trigger of a Mega-Tsunami Event and Violent Seismotectonics in Sweden

The Kaali Impact as Trigger of a Mega-Tsunami Event and Violent Seismotectonics in Sweden

On the directional nature of celestial object’s fall on the earth (Part 1: distribution of fireball shower, meteor fall, and crater on earth’s surface)

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