Lava continues flowing from Iceland volcano after eruption

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Lava continued to spurt from a volcano in southwestern Iceland on Thursday but the activity had calmed significantly from when it erupted a day earlier.

The eruption Wednesday was the fifth and most powerful since the volcanic system near Grindavik reawakened in December after 800 years, gushing record levels of lava as its fissure grew to 2.1 miles in length.

Volcanologist Dave McGarvie calculated that the amount of lava initially flowing from the crater could have buried Wembley Stadium in London, which seats 90,000 people, under 49 feet of lava every minute.

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“These jets of magma are reaching like 50 meters (165 feet), into the atmosphere,” said McGarvie, an honorary researcher at Lancaster University. “That just immediately strikes me as a powerful eruption. And that was my first impression … .Then some numbers came out, estimating how much was coming out per minute or per second and it was, ‘wow.’”

The activity once again threatened Grindavik, a coastal town of 3,800 people, and led to the evacuation of the popular Blue Lagoon geothermal spa, one of Iceland’s biggest tourist attractions.

Lava flows from a volcano in Grindavik, Iceland, Wednesday, May 29, 2024. A volcano in southwestern Iceland erupted Wednesday for the fifth time since December, spewing red lava that once again threatened the coastal town of Grindavik and led to the evacuation of the popular Blue Lagoon geothermal spa. (AP Photo/Marco di Marco)

Grindavik, which is about 30 miles southwest of Iceland’s capital, Reykjavík, has been threatened since a swarm of earthquakes in November forced an evacuation in advance of the initial Dec. 18 eruption. A subsequent eruption consumed several buildings.

Protective barriers outside Grindavik deflected the lava Wednesday but the evacuated town remained without electricity and two of the three roads into town were inundated with lava.

“I just like the situation quite well compared to how it looked at the beginning of the eruption yesterday,” Grindavik Mayor Fannar Jónasson told national broadcaster RUV.

McGarvie said the eruption was more powerful than the four that preceded it because the largest amount of magma had accumulated in a chamber underground before breaking the earth’s surface and shooting into the sky.

The rapid and powerful start of the eruption followed by it diminishing quickly several hours later is the pattern researchers have witnessed with this volcano, McGarvie said. The unknown question is when it will end.

“It could go on for quite some considerable time,” McGarvie said. “We’re really in new territory here because eruptions like this have never been witnessed, carefully, in this part of Iceland.”

Iceland, which sits above a volcanic hot spot in the North Atlantic, sees regular eruptions. The most disruptive in recent times was the 2010 eruption of the Eyjafjallajökull volcano, which spewed huge clouds of ash into the atmosphere and led to widespread airspace closures over Europe.

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None of the current cycle of eruptions have had an impact on aviation.