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Grímsnes volcano

Crater rows 214 m (702 ft)
Iceland, 64.03°N / -20.87°W
Current status: normal or dormant (1 out of 5) | Reports
Grímsnes volcano books
Typical eruption style: Effusive (lava flows)
Grímsnes volcano eruptions: none during historic times
TimeMag. / DepthDistanceLocation
Sun, 5 Jul 2020
Sun, 5 Jul 22:10 UTCM 1.0 / 5.8 km26 km7.4 km E of Brautarholt (Iceland)
Sat, 4 Jul 2020
Sat, 4 Jul 11:22 UTCM 0.2 / 5.3 km10 km6.3 km E of Hveragerði (Iceland)
Sat, 4 Jul 11:22 UTCM 0.5 / 5.8 km11 km5.9 km E of Hveragerði (Iceland)
Thu, 2 Jul 2020
Thu, 2 Jul 18:05 UTCM 0.9 / 1.1 km25 km9.0 km N of Brautarholt (Iceland)
Thu, 2 Jul 04:21 UTCM 0.3 / 8 km5 km7.4 km NNE of Selfoss (Iceland)
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Grímsnes is a relatively small volcanic system located SE of Thingvallavatn lake east of an en echelon group of volcanic fields extending across the Reykjanes Peninsula.


Grímsnes lava flows cover 54 sq km and were erupted from a group of 11 fissures that produced a series of NE-SW-trending crater rows. The eruptions of the basaltic Grímsnes lavas were restricted to a relatively short interval between about 6500 and 5500 years ago.

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