How a volcanic eruption in Iceland affected Britain
April 17th, 2010
The Laki Fissure
The 2010 Eyjafjallajökull eruption has ruined travel plans but does not rank as particularly disastrous, except financially for the air companies. A volcanic eruption in Iceland in 1783 – the Laki Fissure eruption – was catastrophic for the Icelanders (25% of the population died in the ensuing famine) and had serious consequences in Britain.
The amount of volcanic ash in the atmosphere over the UK gave rise to the “sand-summer”, as the 1783 summer became known. The amount of sulphur dioxide released by the eruption was colossal – 120 million tons:
approximately equivalent to three times the total annual European industrial output in 2006, and also equivalent to a Mount Pinatubo-1991 eruption every three days – Wikipedia
The resulting smog – the Laki Haze – was deadly, killing as it spread over western Europe. It reached Great Britain by late June of 1783, and thousands died from sulphur dioxide poisoning, outdoor workers being particularly vulnerable.
The effect on the weather was no less dramatic. As the haze heated up, a serious of heavy thunderstorms were unleashed, hailstones causing livestock losses. Gilbert White described that summer in The Natural History of Selborne: Read the rest of this entry
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