Fagradalsfjall volcano update: pulsating taller-than-usual lava fountains – VolcanoDiscovery

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Mon, 3 May 2021, 07:54

07:54 AM | BY: MARTIN

Lava fountains, about 300 m tall, pulsated at regular intervals of 7 to 10 minutes (image: @gislio/twitter)

Lava fountains, about 300 m tall, pulsated at regular intervals of 7 to 10 minutes (image: @gislio/twitter)

Lava fountains associated with gas and steam plumes visible from Iceland's capital Reykjavík (image: @gislio/twitter)

Lava fountains associated with gas and steam plumes visible from Iceland’s capital Reykjavík (image: @gislio/twitter)

The effusive eruption of the volcano continues from all fissure vents. The activity continued at stable levels over the past days until it began to fluctuate yesterday.
Starting around 01:00 local time tonight, the spatter cone started to erupt taller-than-usual lava fountains of up to perhaps 300 m height characterized by regular pulsating at intervals of 7 to 10 minutes.
Emissions of gas and steam plumes were dispersed about 300 m to the southwest of the eruption site.
The reason of this change in the activity is not clear yet, but the discharge rate of this eruption seems rather higher compared to most previous eruptions of the eruption site likely caused by magma/gas composition change at shallow level.
Source: Icelandic Met Office volcano activity update 3 May 2021

Previous news

Wed, 28 Apr 2021, 08:34

The graph depicts parameters of the lava flow discharge rate, lava flow area and lava volume of the current eruption site (image: IMO)
The University of Iceland’s Institute of Earth Sciences published the latest lava volume, lava flow area and lava flow discharge rate data of the current eruption site as a flight observation was realized yesterday. … read all

Mon, 26 Apr 2021, 20:32

Yesterday's lava flow at Fagradalsfjall volcano (image: facebook.com/bjorgunarsveitinthorbjorn)
The eruption from Fagradalsfjall continues with little changes overall and no signs of stopping any time soon. Fluid lava is being erupted from several vents along 3 fissure segments, and slowly forms growing shields piling up in the valley floors. … read all

Wed, 21 Apr 2021, 09:42

The graph shows parameters of the lava flow discharge rate, lava area, lava volume, rock geochemistry and volcanic gases over the past month (image: IMO)
The University of Iceland’s Institute of Earth Sciences reported a summary of eruption parameters documented since March 19, since the eruption at Fagradalsfjall one month ago. The parameters showed lava flow discharge rate, lava area, lava volume, rock geochemistry and volcanic gases. The graph below depicts an overview of the results. … read all

Mon, 19 Apr 2021, 08:37

Yellow mark indicates the spot of the new fissure vent. The image shows all current eruptive fissures at the eruption site (image: @Icevolcanx/twitter)
The effusive eruption of the volcano continues. … read all

Tue, 13 Apr 2021, 10:20

New eruptive fissures recorded on live webcam (image: @fencingtobba/twitter)
Another two eruptive fissures opened today, exactly the 5th and 6th in row. The two new vents are located between the first and third, and between the third and fourth eruptive sites, respectively. … read all

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Fagradalsfjall volcano update: pulsating taller-than-usual lava fountains – VolcanoDiscovery

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