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Date: 30 June 1908; 116 years ago (): Time: 07:17: Location: Podkamennaya Tunguska River, Yeniseysk Governorate, Russian Empire: Coordinates: 1]: Cause: Probable meteor air burst of small asteroid or comet: Outcome: Flattened 2,150 km 2 (830 sq mi) of forest Devastation to local plants and animals: Deaths: Up to 3 possible [2]: Property damage: A few damaged buildings: The Tunguska event was a ...
It was an 3–5 megaton explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of 30 June 1908. The explosion over the sparsely populated East Siberian taiga flattened an estimated 80 million trees over an area of 2,150 km 2 (830 sq mi) of forest, and eyewitness ...
The Tunguska Event, or Tunguska explosion, was a powerful explosion that occurred near the Podkamennaya (Lower Stony) Tunguska River in what is now Krasnoyarsk Krai of Russia, at around 7:14 a.m. [34] (0:14 UT, 7:02 a.m. local solar time [35]) on June 30, 1908 (June 17 in the Julian calendar, in use locally at the time). [35]
He identified 300 flashes caused by 1 to 10 m (3 to 33 ft) meteors in that time period and estimated the rate of Tunguska-sized events as once in 400 years. [93] Eugene Shoemaker estimated that an event of such magnitude occurs about once every 300 years, though more recent analyses have suggested he may have overestimated by an order of magnitude.
[3] [5] It gained prominence following the publication of Russian science fiction writer Alexander Kazantsev's 1946 short story "Explosion"; [3] [4] [6] inspired by the similarities between the event and the nuclear bombing of Hiroshima, Kazantsev's story posits that a nuclear explosion in the engine of a spacecraft was responsible.
In 1927, he led the first Soviet research expedition to investigate the Tunguska event, [2] [3] the largest impact event in recorded history, which had occurred on 30 June 1908. He made a reconnaissance trip to the region, accompanied by Nikolay Ivanovich Fedorov and others, and interviewed local witnesses.
Miller placed 1,100 members of the D.C. National Guard on standby at 3:04 p.m. pending his final approval of a plan for how they would be used. Trump tweeted at 3:13 p.m.: “I am asking for ...
The valley tops resemble elongated ridges, with hills of a typical height of 100–300 meters. The highest point in the territory is 602 meters above sea level. The Tunguska Event occurred on the northern edge of the reserve. The Stony Tunguska River (Podkamennaya Tunguska River) runs across the southern border of the site. Two main rivers run ...