Fissure vents

Krysuvik-Trolladyngja

Krysuvik-Trolladyngja (Iceland) is a fissure vent. It rises to 360 m above sea level. The GVP records 11 confirmed eruptions in the Holocene, the latest in 1340.

Elevation
360 m
Last eruption
1340
Confirmed eruptions
11
Max VEI
2
Country
Iceland
Location
63.92° N, 22.07° W
Region (GVP)
Iceland Neovolcanic Rift Volcanic Province
GVP type
Crater rows
Tectonic setting
Rift zone / Oceanic crust (< 15 km)
Main rock type
Basalt / Picro-Basalt

Show on the timeline GVP entry ↗

Other volcanoes and strong earthquakes within 300 km

Eruption history

VEI – Volcanic Explosivity Index: 0 = lava outpouring, 4 = like Eyjafjallajökull 2010, 6 = like Pinatubo 1991, 7 = like Tambora 1815. The scale is logarithmic – each step is about 10 times more material.

StartEndVEIVent and dating
c. 1340 — 1 Tradarfjöll · Correlation: Tephrochronology
c. 1325 — 1 Elborg vid Trolladyngju · Correlation: Tephrochronology
1188 — 1 Mavahlidargigir · Observations: Reported
1151 — 1 Ogmundargigar and other vents · Observations: Reported
1075 ± 75 years — 0 Gvendarselsgigar · Isotopic: 14C (uncalibrated)
c. 900 — 2 Melholl, Afstapahraun · Correlation: Tephrochronology
190 BCE ± 75 years — 2 Obrinnisholar · Isotopic: 14C (uncalibrated)
1,060 BCE ± 75 years — 0 Sandfellskofagigir · Isotopic: 14C (uncalibrated)
5,290 BCE ± 150 years — 2 Burfell · Isotopic: 14C (uncalibrated)
c. 6,000 BCE — 0 Hrútagjár · Correlation: Tephrochronology
c. 8,500 BCE — 0 Hagafell · Correlation: Tephrochronology

Data: Global Volcanism Program, Smithsonian Institution (#371030)