http://www.cnr.it/ontology/cnr/individuo/prodotto/ID49270
A possible impact crater for the 1908 Tunguska Event (Articolo in rivista)
- Type
- Label
- A possible impact crater for the 1908 Tunguska Event (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1111/j.1365-3121.2007.00742.x (literal)
- Alternative label
Gasperini L. (1), Alvisi F. (1), Biasini G. (2), Bonatti E. (1), Longo G. (3), Pipan M. (4), Ravaioli M. (1), Serra R. (3) (2007)
A possible impact crater for the 1908 Tunguska Event
in TERRA nova (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gasperini L. (1), Alvisi F. (1), Biasini G. (2), Bonatti E. (1), Longo G. (3), Pipan M. (4), Ravaioli M. (1), Serra R. (3) (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- DOI 10.1111/j.1365-3121.2007.00742.x
http://www.blackwell-synergy.com/doi/abs/10.1111/j.1365-3121.2007.00742.x (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- (1) ISMAR-CNR, Sezione di Geologia Marina, Bologna, Italy;
(2) Communication Technology, Cesena, Italy;
(3) Dipartimento di Fisica, Universita di Bologna;
(4) Dipartimento di Scienze della Terra, Universita di Trieste (literal)
- Titolo
- A possible impact crater for the 1908 Tunguska Event (literal)
- Abstract
- The so-called 'Tunguska Event' refers to a major explosion that occurred on 30 June 1908 in the Tunguska region of Siberia, causing the destruction of over 2000 km(2) of taiga, globally detected pressure and seismic waves, and bright luminescence in the night skies of Europe and Central Asia, combined with other unusual phenomena. The 'Tunguska Event' may be related to the impact with the Earth of a cosmic body that exploded about 5-10 km above ground, releasing in the atmosphere 1015 Mton of energy. Fragments of the impacting body have never been found, and its nature (comet or asteroid) is still a matter of debate. We report results from the investigation of Lake Cheko, located similar to 8 km NNW of the inferred explosion epicenter. Its funnel-like bottom morphology and the structure of its sedimentary deposits, revealed by acoustic imagery and direct sampling, all suggest that the lake fills an impact crater. Lake Cheko may have formed due to a secondary impact onto alluvial swampy ground; the size and shape of the crater may have been affected by the nature of the ground and by impact-related melting and degassing of a permafrost layer. (literal)
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