Grímsvötn volcano

E916872
stratovolcano subglacial volcano volcano

Grímsvötn volcano is one of Iceland’s most active subglacial volcanoes, located beneath the Vatnajökull ice cap and known for its frequent explosive eruptions and associated glacial outburst floods (jökulhlaups).

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Observed surface forms (1)

Surface form Occurrences
Grímsvötn 1

Statements (53)

Predicate Object
instanceOf stratovolcano ⓘ
subglacial volcano ⓘ
volcano ⓘ
associatedWith Skeiðará river jökulhlaups ⓘ
Skeiðarárjökull outlet glacier NERFINISHED ⓘ
country Iceland ⓘ
coveredBy Vatnajökull glacier NERFINISHED ⓘ
elevation subglacial summit below ice surface ⓘ
eruptionConsequence large jökulhlaups on surrounding plains ⓘ
rapid melting of overlying ice ⓘ
sudden drainage of subglacial lakes ⓘ
eruptionFrequency one of Iceland’s most active volcanoes ⓘ
eruptionStyle explosive eruptions ⓘ
phreatomagmatic eruptions ⓘ
subglacial eruptions ⓘ
eruptionYear 1903 ⓘ
1922 ⓘ
1934 ⓘ
1983 ⓘ
1996 ⓘ
1998 ⓘ
2004 ⓘ
2011 ⓘ
hasCalderaDiameter approximately 6–8 km ⓘ
hasFeature associated fissure swarms ⓘ
central volcano ⓘ
subglacial caldera ⓘ
hasLake subglacial caldera lake ⓘ
hazard air traffic disruption ⓘ
ash fall ⓘ
glacial outburst floods ⓘ
jökulhlaups ⓘ
iceCoverThickness up to several hundred meters of ice ⓘ
lastEruption May 2011 ⓘ
locatedIn Vatnajökull National Park NERFINISHED ⓘ
Vatnajökull ice cap NERFINISHED ⓘ
southeast Iceland NERFINISHED ⓘ
meaningOfName “Grímur’s lakes” or “masked lakes” ⓘ
monitoredBy Icelandic Civil Protection NERFINISHED ⓘ
Icelandic Meteorological Office NERFINISHED ⓘ
nameLanguage Icelandic ⓘ
notableFor ash-producing eruptions ⓘ
frequent eruptions ⓘ
jökulhlaups ⓘ
partOf Iceland hotspot ⓘ
Mid-Atlantic Ridge volcanic system NERFINISHED ⓘ
produces basaltic magma ⓘ
tephra ⓘ
volcanic ash clouds ⓘ
tectonicSetting Iceland plume ⓘ
divergent plate boundary ⓘ
VEI up to VEI 4–5 in historical eruptions ⓘ
volcanicZone Eastern Volcanic Zone of Iceland NERFINISHED ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Vatnajökull National Park → contains → Grímsvötn volcano ⓘ
Vatnajökull ice cap → overliesVolcano → Grímsvötn volcano ⓘ
this entity surface form: Grímsvötn