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News
The Húsavík-Flatey (HFF)  transform faut and location of earthquakes in the TFZ (IMO)
Saturday, Oct 05, 2013
The earthquake swarm has decreased in intensity. At least some scientists believe that the cause has been a magmatic intrusion in Iceland's northern rift zone that activated the Húsavík-Flatey (HFF) transform fault at the southern limit of the TFZ where the earthquakes were concentrated. [more]
Location of recent quakes at the TFZ
Tuesday, Oct 01, 2013
An intense earthquake swarm has been going on offshore North Iceland, 10 km NW of Gjögurtá, since 25 September. This morning, 2 earthquakes reaching magnitude 3 and 3.2 occurred at 06:14 and 07:41. In total, more than 1000 quakes have been recorded by IMO. ... [more]
 

Tjörnes Fracture Zone volcano

submarine volcano unknown summit elevation
North of Iceland, 66.3°N / -17.1°W
Current status: dormant (1 out of 5)
Tjörnes Fracture Zone volcano books
Last update: 4 Jun 2016
Typical eruption style: unspecified
Tjörnes Fracture Zone volcano eruptions: 1868
TimeMag. / DepthDistanceLocation
Sun, 23 Jul
Sun, 23 Jul 13:28 UTCM 2.3 / 5.5 km16 km41.8 km WNW of Grímsey
Sun, 23 Jul 13:21 UTCM 1.7 / 5.3 km11 km36.8 km NW of Grímsey
Sun, 23 Jul 13:21 UTCM 2.3 / 7.7 km15 km40.8 km NW of Grímsey
Sun, 23 Jul 13:20 UTCM 1.4 / 6.9 km15 km41.0 km WNW of Grímsey
Sun, 23 Jul 13:20 UTCM 1.8 / 6.2 km16 km42.1 km NW of Grímsey
View all recent quakes
The offshore Tjörnes Fracture Zone is an oblique transform zone that separates the northern volcanic zone of Iceland from the Kolbeinsey Ridge, part of the Mid-Atlantic Ridge north of Iceland.

Background:

A submarine eruption was reported during 1867-1868 at the SE part of the fissure system off the northern coast of Iceland along the Manareyjar Ridge immediately north of Manareyjar Island.
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Smithsonian / GVP volcano information


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