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Grímsnes () is a fissure or crater row
volcanic system A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates ar ...
located in South Iceland, a relatively small volcanic system located SE of Thingvallavatn lake east of an en echelon group of volcanic fields extending across the Reykjanes Peninsula. The elevation at its apex is 214 meters. Tephrochronology approximates the volcano's last eruption as 3500 BC. The individual volcanoes in the area include
Kerið Kerið (; also Kerith or Kerid) is a volcanic crater lake located in the Grímsnes area in south Iceland, along the Golden Circle. It is one of several crater lakes in the area, known as Iceland's Western Volcanic Zone, which includes the Reyk ...
, a lake-filled volcanic crater. The Grímsneshraun lava-fields in the area cover a total of . The largest of these plains is the Seyðishólar-Kerhólahraun field which covers . Other sizeable plains include the Tjarnarhólahraun field at , the Kálfshólahraun field at and the Álftarhólshraun . The total volume of lava produced in the lava flows of Grímsnes has been estimated at


See also

* Geography of Iceland * List of lakes of Iceland * List of volcanoes in Iceland * Volcanism of Iceland


External links


Grímsnes
in the Catalogue of Icelandic Volcanoes
Volcano Live
* Volcanoes of Iceland Fissure vents Dormant volcanoes South Iceland Seismic Zone Volcanic systems of Iceland VEI-3 volcanoes {{DEFAULTSORT:Grimsnes