Reykjanes Eruption: Lava From Three Sources Merges Into One Field Skip to content

Reykjanes Eruption: Lava From Three Sources Merges Into One Field

By Yelena

geldingadalir eruption Reykjanes
Photo: Almannavarnir/Björn Oddsson. The eruption’s original vents can be seen on the right, and newer fissures on the left and at centre.

The lava fields from the three active eruption sites on Iceland’s Reykjanes peninsula have now become connected. Lava spewing from the three sources has joined to form a single unbroken field that fills Geldingadalir valley (where the eruption began) and stretches into Meradalir valley to the east. The map below shows the eruption sites (red) and lava fields (purple and black).

A map of the lava flow. The eruption sites are marked in red and lava flow as of April 7 is marked in purple and black. The flow from the most recently-opened eruption site, centre, is an estimate, marked with black stripes.

The eruption began on March 19 in Geldingadalir, where two vents continue to erupt. Two other fissures opened on Monday, April 5, to the northeast of the first vents, and a third fissure opened between the two sites around midnight on the night of April 6. All three eruption sites remain active.

The eruption currently poses no threat to inhabited areas or aviation. Toxic gas can be harmful to humans at the eruption site as well as in nearby areas.

Read more about the geology of the Reykjanes peninsula or watch the eruption live.

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