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• Tunguska_event abstract "The Tunguska event was a large explosion, which occurred near the Podkamennaya Tunguska River in what is now Krasnoyarsk Krai, Russia, at about 07:14 KRAT (00:14 UT) on June 30 [O.S. June 17], 1908. The explosion occurred at an altitude of 5–10 kilometres (3–6 mi) at 60.886°N, 101.894°E. Different studies have yielded widely varying estimates of the impacting object's size, on the order of 60 m (200 ft) to 190 m (620 ft). It is the largest impact event on or near Earth in recorded history. It is classified as an impact even though the asteroid or comet is believed to have burst in the air rather than hitting the surface.Since the 1908 explosion, there have been an estimated 1,000 scholarly papers (mainly in Russian) published on the Tunguska explosion. Many scientists have participated in Tunguska studies; the best known are Leonid Kulik, Yevgeny Krinov, Kirill Florensky, Nikolai Vladimirovich Vasiliev, and Wilhelm Fast. In 2013, a team of researchers led by Victor Kvasnytsya of the National Academy of Sciences of Ukraine published analysis results of micro-samples from a peat bog near the blast epicenter showing fragments that may be of meteoric origin.Estimates of the energy of the blast range from as low as three to as high as 30 megatons of TNT (between 13 and 130 PJ). (Most likely it was between 10–15 megatons of TNT (42–63 PJ).) The energy of the explosion was about 1,000 times greater than that of the atomic bomb dropped on Hiroshima, Japan; roughly equal to that of the United States' Castle Bravo ground-based thermonuclear test detonation on March 1, 1954; and about two-fifths that of the Soviet Union's later Tsar Bomba (the largest nuclear weapon ever detonated).It is estimated that the Tunguska explosion knocked down some 80 million trees over an area of 2,150 square kilometres (830 sq mi), and that the shock wave from the blast would have measured 5.0 on the Richter scale. An explosion of this magnitude would be capable of destroying a large metropolitan area, but due to the remoteness of the location no fatalities were documented. This event has helped to spark discussion of asteroid impact avoidance.".
• Tunguska_event thumbnail Russia-CIA_WFB_Map--Tunguska.png?width=300.
• Tunguska_event wikiPageExternalLink tungmet.html.
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• Tunguska_event wikiPageExternalLink vaganov_en_1.pdf.
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• Tunguska_event wikiPageExternalLink pictures.htm.
• Tunguska_event wikiPageExternalLink P4-1--Zlobin_Paper.pdf.
• Tunguska_event wikiPageExternalLink there-was-a-hot-time-in-tunguska-that-night.
• Tunguska_event wikiPageExternalLink siberia.html.
• Tunguska_event wikiPageExternalLink 30018.
• Tunguska_event wikiPageExternalLink tunguska.
• Tunguska_event wikiPageExternalLink VerneshotEPSL2004.pdf.
• Tunguska_event wikiPageExternalLink viewtopic.php?f=54&t=109.
• Tunguska_event wikiPageExternalLink 216990a0.pdf.
• Tunguska_event wikiPageExternalLink article.cfm?id=the-tunguska-mystery-100-years-later.
• Tunguska_event wikiPageExternalLink bad_astronomy.html.
• Tunguska_event wikiPageExternalLink tunguska_meteorites_scientist_claims_to_have_rocks_from_famous_impact.html.
• Tunguska_event wikiPageExternalLink 250-russian-alien-spaceship-claims-raise-eyebrows-skepticism.html.
• Tunguska_event wikiPageExternalLink 5573-huge-tunguska-explosion-remains-mysterious-100-years.html.
• Tunguska_event wikiPageExternalLink www.tunguska.ru.
• Tunguska_event wikiPageExternalLink www.vurdalak.com.
• Tunguska_event wikiPageID "30669".
• Tunguska_event wikiPageRevisionID "606590366".
• Tunguska_event above "Tunguska event".
• Tunguska_event caption "Location of the event in Siberia".
• Tunguska_event data "1908-06-30".
• Tunguska_event data "Explosion in forest area".
• Tunguska_event data "Flattening of forest; seen by glowing sunsets".
• Tunguska_event data "Mostly material damages to trees".
• Tunguska_event data "Podkamennaya Tunguska River in Siberia, Russian Empire".
• Tunguska_event data "Probable air burst of small asteroid or comet".
• Tunguska_event hasPhotoCollection Tunguska_event.
• Tunguska_event label "Cause".
• Tunguska_event label "Damage".
• Tunguska_event label "Effects".
• Tunguska_event label "Event".
• Tunguska_event label "Place".
• Tunguska_event label "Time".
• Tunguska_event subject Category:1908_disasters.
• Tunguska_event subject Category:1908_in_Russia.
• Tunguska_event subject Category:20th-century_explosions.
• Tunguska_event subject Category:Explosions_in_Russia.
• Tunguska_event subject Category:Fires_in_Russia.
• Tunguska_event subject Category:Historical_controversies.
• Tunguska_event subject Category:Holocene.
• Tunguska_event subject Category:Krasnoyarsk_Krai.
• Tunguska_event subject Category:Modern_Earth_impact_events.
• Tunguska_event subject Category:Natural_disasters_in_Siberia.
• Tunguska_event subject Category:Siberia.
• Tunguska_event subject Category:Unsolved_problems_in_physics.
• Tunguska_event point "60.916666666666664 101.95".
• Tunguska_event type 1908Disasters.
• Tunguska_event type 20th-centuryExplosions.
• Tunguska_event type Abstraction100002137.
• Tunguska_event type Act100030358.
• Tunguska_event type Attribute100024264.
• Tunguska_event type Calamity107314838.
• Tunguska_event type Condition113920835.
• Tunguska_event type Controversy107183151.
• Tunguska_event type Difficulty114408086.
• Tunguska_event type Disagreement107180787.
• Tunguska_event type Discharge107307754.
• Tunguska_event type Dispute107181935.
• Tunguska_event type Event100029378.
• Tunguska_event type Explosion107308563.
• Tunguska_event type ExplosionsInRussia.
• Tunguska_event type Fire107302836.
• Tunguska_event type FiresInRussia.
• Tunguska_event type Happening107283608.
• Tunguska_event type HistoricalControversies.
• Tunguska_event type ImpactEvents.
• Tunguska_event type Misfortune107304852.
• Tunguska_event type NaturalDisastersInSiberia.
• Tunguska_event type Problem114410605.
• Tunguska_event type PsychologicalFeature100023100.
• Tunguska_event type SpeechAct107160883.
• Tunguska_event type State100024720.
• Tunguska_event type Trouble107289014.
• Tunguska_event type UnsolvedProblemsInPhysics.
• Tunguska_event type YagoPermanentlyLocatedEntity.
• Tunguska_event type SpatialThing.
• Tunguska_event comment "The Tunguska event was a large explosion, which occurred near the Podkamennaya Tunguska River in what is now Krasnoyarsk Krai, Russia, at about 07:14 KRAT (00:14 UT) on June 30 [O.S. June 17], 1908. The explosion occurred at an altitude of 5–10 kilometres (3–6 mi) at 60.886°N, 101.894°E. Different studies have yielded widely varying estimates of the impacting object's size, on the order of 60 m (200 ft) to 190 m (620 ft). It is the largest impact event on or near Earth in recorded history.".
• Tunguska_event label "Bólido de Tunguska".
• Tunguska_event label "Evento de Tunguska".
• Tunguska_event label "Evento di Tunguska".
• Tunguska_event label "Katastrofa tunguska".
• Tunguska_event label "Toengoeska-explosie".
• Tunguska_event label "Tunguska event".
• Tunguska_event label "Tunguska-Ereignis".
• Tunguska_event label "Événement de la Toungouska".

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