Land Continues to Rise at Svartsengi Skip to content

Land Continues to Rise at Svartsengi

By Yelena

Art Bicnick. The 2024 Sundhnúksgígaröð eruption
Photo: Art Bicnick. The Sundhnúksgígaröð eruption in March 2024.

Land rise (uplift) continues at Svartsengi on the Reykjanes peninsula, above the magma chamber that is feeding the ongoing eruption. Experts say new fissures could open in the area with little or no notice. While lava flow from the ongoing eruption has slowed, it could continue for some time.

Uplift at Svartsengi has continued at a steady rate for weeks, according to the latest notice from the Icelandic Met Office. That means that pressure is continuing to build up in the magma chamber below. Earthquake activity at Sundhnúksgígaröð has also increased, likely a sign of pressure being released in and around the magma tunnel at the site of the ongoing eruption, which began on March 16.

A new eruption may occur

Data and modelling show considerable uncertainty about whether the ongoing activity on Reykjanes will lead to another eruption. According to the Met Office, there are two likely scenarios. Firstly, new fissures may open up in the area between Stóra-Skógfell and Hagafell and/or the current eruption vent could grow due to a sudden increase in lava flow. That could happen with very little or no notice.

Read More: The Reykjanes Eruptions

Secondly, the magma flow from the magma chamber under Svartsengi to the active crater on the Sundhnúksgígaröð could gradually increase until there is a balance between the inflow of magma into the magma chamber and the outflow from there to the surface.

The volcanic activity does not impact travel to and from Iceland and the hazard assessment for the area remains unchanged.

Tourists and civilians are asked to stay away from the area.

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