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Husavik: The Blue Lagoon geothermal spa — one of Iceland’s biggest tourist attractions — closed temporarily as a swarm of earthquakes put the island nation’s most populated region on alert for a possible volcanic eruption.
Guests rushed to leave the spa’s hotels in the early hours of Thursday, after they were rattled awake shortly before 1am by a magnitude 4.8 quake, the strongest to hit the region since the recent wave of seismic activity began on October 25.
Bjarni Stefansson, a local taxi driver, described a scene of confusion when he arrived at the Retreat Hotel, where lava rocks had fallen on the roadway and the parking lot was jammed with 20 to 30 cabs.
“There was a panic situation,” Stefansson told The Associated Press. “People thought a volcanic eruption was about to happen.”
The area around Mount Thorbjorn on the Reykjanes Peninsula has been shaken by hundreds of small earthquakes every day for more than two weeks due to a buildup of volcanic magma some 5 kilometres underground. Land in the region has risen by 9 centimetres since October 27, according to the Icelandic Met Office, without showing imminent signs of eruption.
Scientists are closely monitoring the situation for any indication that the seismic activity is getting closer to the surface, which could be an indication that the magma is breaking through the earth’s crust, the Met Office said.
“Presently, there are no signs that earthquake activity is becoming shallower,” the agency said on its website. “However, the situation could change quickly, and it is not possible to exclude a scenario involving a lava-producing eruption in the area northwest of Thorbjorn.”
Iceland, which sits above a volcanic hotspot in the North Atlantic, averages an eruption every four to five years. The most disruptive in recent times was the 2010 eruption of the Eyjafjallajokull volcano, which spewed huge clouds of ash into the atmosphere and led to widespread airspace closures over Europe.
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