Deglacial paleoseismicity in Sweden: the 9663 BP Iggesund event

Nils-Axel Mörner; Per Einar Tröften; Rabbe Sjöberg; Douglas Grant; Sue Dawson; Christian Bronge; Ole Kvamsdal; Alf Sideén

doi:10.1016/S0277-3791(00)00095-0

Deglacial paleoseismicity in Sweden: the 9663 BP Iggesund event

Nils-Axel Mörner (Lead / Corresponding author), Per Einar Tröften, Rabbe Sjöberg, Douglas Grant, Sue Dawson, Christian Bronge, Ole Kvamsdal, Alf Sideén

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

The Iggeesund event is an example of the high seismicity which occurred in Fennoscandia during deglaciation as a function of the high rate of glacial isostatic uplift. This event is dated to varve 9663 BP. The Iggesund-Hudiksvall area is represented by intensive postglacial fracturing of the bedrock recorded over an area of at least, 50 x 50 km. The most remarkable locality is the Boda cave system; a hill fractured into a field of large detached blocks with a cave system of more than 2 km length. In the varve-year 9663 BP, an extensive turbidite was spread over an area of 210 x 80 km. Liquefaction structures are recorded over an area of 80 x 30 km and can be assigned to the same varve year. Structures and deposits of a tsunami are recorded over 80 x 50 km.

Original language	English
Pages (from-to)	1461-1468
Number of pages	8
Journal	Quaternary Science Reviews
Volume	19
Issue number	14-15
Early online date	22 Sept 2000
DOIs	https://doi.org/10.1016/S0277-3791(00)00095-0
Publication status	Published - 1 Oct 2000

ASJC Scopus subject areas

Global and Planetary Change
Ecology, Evolution, Behavior and Systematics
Archaeology
Archaeology
Geology

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abstract = "The Iggeesund event is an example of the high seismicity which occurred in Fennoscandia during deglaciation as a function of the high rate of glacial isostatic uplift. This event is dated to varve 9663 BP. The Iggesund-Hudiksvall area is represented by intensive postglacial fracturing of the bedrock recorded over an area of at least, 50 x 50 km. The most remarkable locality is the Boda cave system; a hill fractured into a field of large detached blocks with a cave system of more than 2 km length. In the varve-year 9663 BP, an extensive turbidite was spread over an area of 210 x 80 km. Liquefaction structures are recorded over an area of 80 x 30 km and can be assigned to the same varve year. Structures and deposits of a tsunami are recorded over 80 x 50 km.",

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T2 - the 9663 BP Iggesund event

AU - Mörner, Nils-Axel

AU - Tröften, Per Einar

AU - Sjöberg, Rabbe

AU - Grant, Douglas

AU - Dawson, Sue

AU - Bronge, Christian

AU - Kvamsdal, Ole

AU - Sideén, Alf

PY - 2000/10/1

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N2 - The Iggeesund event is an example of the high seismicity which occurred in Fennoscandia during deglaciation as a function of the high rate of glacial isostatic uplift. This event is dated to varve 9663 BP. The Iggesund-Hudiksvall area is represented by intensive postglacial fracturing of the bedrock recorded over an area of at least, 50 x 50 km. The most remarkable locality is the Boda cave system; a hill fractured into a field of large detached blocks with a cave system of more than 2 km length. In the varve-year 9663 BP, an extensive turbidite was spread over an area of 210 x 80 km. Liquefaction structures are recorded over an area of 80 x 30 km and can be assigned to the same varve year. Structures and deposits of a tsunami are recorded over 80 x 50 km.

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Deglacial paleoseismicity in Sweden: the 9663 BP Iggesund event

Abstract

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