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Holuhraun Eruption Still Going Strong

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Holuhraun Eruption Still Going Strong

Holuhraun eruption

Photo: Bernard Meric.

The volcanic eruption in Holuhraun continues with similar intensity. Around 200 earthquakes were detected in the caldera between Monday and yesterday morning, according to the latest Status Report from the Civil Protection Department’s Scientific Advisory Board, published yesterday.

Observation of the eruption is becoming more difficult for scientists in the field due to increasingly difficult driving conditions in the area. There has been a lot of snowfall.

The GPS station in the center of Bárðarbunga volcano—the lava erupting in a fissure in Holuhraun originates in the Bárðarbunga magma chamber—shows that the subsidence of the caldera continues at a similar rate as in the last few weeks. Measurements carried out from the air show that subsidence of the caldera has now reached 44 meters (144 feet).

The energy of the geothermal areas in Bárðarbunga volcano in Vatnajökull now measures several hundred megawatts and the melting of glacial ice is estimated at approximately 2 cubic meters per second.

The Aviation Color Code for Bárðarbunga remains at ‘orange,’ which is used to indicate when a volcano is exhibiting heightened unrest with increased likelihood of eruption or when a volcanic eruption is underway with no or minor ash emission.

A sub-glacial eruption is still a possible future scenario and scientists remain on the alert.

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