ICELAND VOLCANO: flight alert raised after Katla volcano was rocked by two earthquakes
Iceland has raised its aviation alert up a notch after several earthquakes hit one of the country's biggest volcanoes .
The tremors at the Katla volcano were the strongest since a string of quakes last month raised concerns over a possible eruption.
The alert only moved to the second lowest level of the four colour scale, but in 2010, ash from an eruption of the nearby Eyjafjallajokull volcano resulted in a major part of Europe's airspace having to close for several days.
The Icelandic Met Office said two quakes had shaken the Katla volcano in southern Iceland and that "an intense seismic swarm" had been experienced since Thursday morning.
Read more - http://www.mirror.co.uk/news/world-news/flight-alert-raised-iceland-amid-8951673