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Summary of eruption dates and Volcanic Explosivity Indices (VEI).
|Start Date||Stop Date||Eruption Certainty||VEI||Evidence||Activity Area or Unit|
|1325 (?)||Unknown||Confirmed||1||Tephrochronology||Elborg vid Trolladyngju|
|1151||Unknown||Confirmed||1||Historical Observations||Ogmundargigar and other vents|
|1075 ± 75 years||Unknown||Confirmed||0||Radiocarbon (uncorrected)||Gvendarselsgigar|
|0900 (?)||Unknown||Confirmed||2||Tephrochronology||Melholl, Afstapahraun|
|0190 BCE ± 75 years||Unknown||Confirmed||2||Radiocarbon (uncorrected)||Obrinnisholar|
|1060 BCE ± 75 years||Unknown||Confirmed||0||Radiocarbon (uncorrected)||Sandfellskofagigir|
|5290 BCE ± 150 years||Unknown||Confirmed||2||Radiocarbon (uncorrected)||Burfell|
|6000 BCE (?)||Unknown||Confirmed||0||Tephrochronology||Hrútagjár|
|8500 BCE (?)||Unknown||Confirmed||0||Tephrochronology||Hagafell|
The following references are the sources used for data regarding this volcano. References are linked directly to our volcano data file. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title. Additional discussion of data sources can be found under Volcano Data Criteria.
Andrew R E B, Gudmundsson A, 2007. Distribution, structure, and formation of Holocene lava shields in Iceland. J Volc Geotherm Res, 168: 137-154.
Gudmundsson A T, 1986b. Iceland-Fires. Reykjavik: Vaka-Helgafell, 168 p.
IAVCEI, 1973-80. Post-Miocene Volcanoes of the World. IAVCEI Data Sheets, Rome: Internatl Assoc Volc Chemistry Earth's Interior..
Jakobsson S P, Jonsson J, Shido F, 1978. Petrology of the western Reykjanes Peninsula, Iceland. J Petr, 19: 669-705.
Johannesson H, Einarsson S, 1988a. Krisuvik eruptions 1. Age of the Ogmundarhraun lava flow and the medieval tephra layer, Reykjanes Peninsula, southwest Iceland. Jokull, 38: 71-87 (in Icelandic with English summary).
Jonsson J, 1978. Geology of the Reykjanes Peninsula. Orkustofnun Jardhitadeild, OS-JHD-7831, Geol maps and 303 p text (in Icelandic).
Jonsson J, 1983. Volcanic eruptions in historical time on the Reykjanes Peninsula, southwest Iceland. Natturufraedingurinn, 52: 127-139 (in Icelandic with English summary).
Saemundsson K, Einarsson S, 1980. Geological map of Iceland, sheet 3, south-west Iceland. Icelandic Museum Nat Hist & Iceland Geodetic Surv, 1:250,000 geol map.
Steinthorsson S, et al., 2002. Catalog of Active Volcanoes of the World - Iceland. Unpublished manuscript.
The Krísuvík volcanic system (also spelled Krysuvik) consists of a group of NE-SW-trending basaltic crater rows and small shield volcanoes cutting the central Reykjanes Peninsula west of Kleifarvatn lake. Several eruptions have taken place since the settlement of Iceland, including the eruption of a large lava flow from the Ogmundargigar crater row around the 12th century. The latest eruption at Krísuvík took place during the 14th century.