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

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

Fagradalsfjall volcano update: lava remains at steady flow rate

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

Fagradalsfjall volcano update: Eruption continues with lava flows slowly filling two valleys

Yesterday's lava flow at Fagradalsfjall volcano (image:
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
Show more
Fissure swarm 385 m / 1263 ft
Reykjanes Peninsula, Iceland, 63.89°N / -22.27°W
Current status: normal or dormant (1 out of 5) Fagradalsfjall volcano eruptions:
2022 (Aug), 2021
Less than few million years ago (Pleistocene)
Typical eruption style
fissure eruptions, lava flows
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