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Grímsnes volcano

Crater rows 214 m (702 ft)
Iceland, 64.03°N / -20.87°W
Current status: dormant (1 out of 5)
Grímsnes volcano books
Typical eruption style: Effusive (lava flows)
Grímsnes volcano eruptions: none during historic times
TimeMag. / DepthDistanceLocation
Tue, 28 Mar
Tue, 28 Mar 16:39 UTCM 1.2 / 6.4 km9 km3.1 km WNW of Selfoss
Tue, 28 Mar 00:57 UTCM 1.4 / 12.5 km30 km7.8 km E of Hella
Mon, 27 Mar
Mon, 27 Mar 20:53 UTCM 0.5 / 7.8 km14 km0.5 km NW of Raufarhólshellir
Mon, 27 Mar 17:06 UTCM 0.7 / 3.8 km9 km1.8 km NNE of Hellisheiðarvirkjun
Mon, 27 Mar 17:06 UTCM 0.1 / 2.7 km9 km1.3 km NE of Hellisheiðarvirkjun
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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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