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Diaporama

Kolbeinsey Ridge volcan

Submarine volcano 5 m / 16 ft
North of Iceland, Iceland, 66.67°N / -18.5°W
Condition actuelle: normal / en sommeil (1 sur 5) | Reports
Kolbeinsey Ridge livres
Style éruptif tipique: unspecified
Eruptions du volcan Kolbeinsey Ridge: 1755 
HeureMag. / DepthDistanceLocation
Mon, 30 Sep 2019
Mon, 30 Sep 06:04 UTCM 1.2 / 10.8 km24 km11.4 km NNE of Grímsey (Iceland)
Fri, 27 Sep 2019
Fri, 27 Sep 18:27 UTCM 1.7 / 6.8 km21 km5.8 km NW of Húsavík (Iceland)
Tue, 24 Sep 2019
Tue, 24 Sep 18:56 UTCM 1.7 / 7.6 km18 km29.2 km NNW of Grímsey (Iceland)
Tue, 24 Sep 18:56 UTCM 1.4 / 9.6 km15 km39.1 km S of Kolbeinsey (Iceland)
Sat, 21 Sep 2019
Sat, 21 Sep 17:55 UTCM 1.0 / 10.9 km25 km12.0 km NNE of Grímsey (Iceland)
Voir tous

Introduction:

A submarine eruption was reported in 1372 near the Kolbeinsey Ridge NW of Grimsey Island. Kolbeinsey Island, the only subaerial expression of this portion of the Mid-Atlantic Ridge, is a small, rapidly eroding island that formed during the late-Pleistocene or Holocene. Dredged glass shards indicate submarine eruptive activity during the late-Pleistocene until at least 11,800 radiocarbon years ago. The island was 700 m long in 1616 AD, but had shrunk to 42 m long and 5 m high by 1985 and could be eroded below sea level in the early part of the 21st century. The Kolbeinsey Hydrothermal Field lies south of the island. Thorarinsson (1965) roughly plotted the location of the 1372 eruption at about 66 degrees 40 minutes North. Reidel et al. (2003) note that the location is uncertain, but could lie between the Kolbeinsey Ridge and Hóll Seamount. Other reports of submarine eruptions north of Iceland have an even more uncertain location (1755) or have been discredited (1783 and 1838).
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Smithsonian / GVP volcano information


Derniers images satellite


See also: Sentinel hub | Landsat 8
 

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