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Iceland Monitors Tremors After Retracting Eruption Alert

Photographer: Michael Probst/AP Photo

An erupting volcano under Iceland's Vatnajokull glacier melts big gaps in the ice, Oct. 12, 1996. Vatnajokull is Europe’s largest glacier. Close

An erupting volcano under Iceland's Vatnajokull glacier melts big gaps in the ice, Oct.... Read More

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Photographer: Michael Probst/AP Photo

An erupting volcano under Iceland's Vatnajokull glacier melts big gaps in the ice, Oct. 12, 1996. Vatnajokull is Europe’s largest glacier.

Iceland is monitoring rumbling at the Bardarbunga volcano for a second week after it yesterday retracted an announcement of an eruption and eased a warning to airlines over a possible ash plume.

The national police moved back to an “alert phase” from an “emergency phase” and removed restrictions on aviation, the Civil Protection Agency said in a statement yesterday. The area suffered a magnitude 5 quake last night while there were no signs of volcanic tremor, according to a status report yesterday from Iceland’s Met Office.

The alert level was eased after a flight over the area revealed no eruption had taken place even as rumbling at the volcano, located beneath Europe’s largest glacier, intensified. Warnings of an eruption on Aug. 23 raised concerns airlines may face a repeat of disruptions in 2010 when an ash cloud spewed from the Eyjafjallajokull volcano forced carriers to cancel more than 100,000 flights. Ash is a danger to jets because the glass-like particles can hurt engines.

“There are no indications that the activity is slowing down, and therefore an eruption can’t be excluded,” the Met Office said yesterday. “Observations show that a sub-glacial eruption did not occur yesterday. The intense low-frequency seismic signal observed yesterday has therefore other explanations.”

Photographer: Þorsteinn Þorsteinsson/IMO via Bloomberg

A volcanic cauldron is visible to the center left in this aerial image that Icelandic Meteorological Office staff members took during a flight to Bardarbunga, on Aug. 20, 2014. Close

A volcanic cauldron is visible to the center left in this aerial image that Icelandic... Read More

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Photographer: Þorsteinn Þorsteinsson/IMO via Bloomberg

A volcanic cauldron is visible to the center left in this aerial image that Icelandic Meteorological Office staff members took during a flight to Bardarbunga, on Aug. 20, 2014.

The police said that restrictions on roads and areas in Jokulsargljufur canyon up to Dettifoss waterfall would still be in effect, as well as closures in the highlands north of the Vatnajokull glacier. 

To contact the reporter on this story: Omar R. Valdimarsson in Reykjavik at valdimarsson@bloomberg.net

To contact the editors responsible for this story: Jonas Bergman at jbergman@bloomberg.net John Simpson

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