In the Icelandic news today there is a article about new study on the deep Reykjanes Ridge. According to that that study an eruption took place deep on the Reykjanes Ridge sometimes in the past 20 years. Following this eruption a sharp and strong earthquake activity took place at this same location. No signs of this eruption where visible on the surface of the ocean. At this location the depth is around 2 to 3 km. The unnamed volcano is at around the location at 61N degree north, this makes the location around 400 to 500 km from land. The study did compare scans of the ocean floor at this location taken in the year 1994 to new ones taken in the year 2013. This newer scans clearly showed that eruptions had taken place in the time period between those scans of the ocean floor. It is not known when this eruptions took place or how large they where, or for how long they lasted. There have been earthquakes swarms at this location in the past 20 years. I don’t know if that is a sign of new eruptions at this location. It is also extremely difficult to confirm any new eruptions at this location if such event took place after last scientific study into this area.
More information in Icelandic
Sjá merki um eldgos á Reykjaneshryggnum (mbl.is, map of volcano, Icelandic)
Áður óþekkt eldgos á Reykjaneshrygg (Rúv.is, Icelandic)
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