Wednesday, April 21, 2010

Why Volcanoes Are Dangerous



Ash Cloud Reminds Us That We Should All Be Afraid Of Volcanoes -- The Telegraph

Eyjafjallajökull's giant cloud of ash is a nuisance, but a supervolcano's catastrophic eruption could threaten the fabric of civilisation, says Kate Ravilious.

Every so often the Earth chooses to remind us that we really aren't in control of this planet. The volcanic eruption in Iceland, which began on Wednesday, is just such a reminder. As ash spews out across northern Europe, grounding all flights across Scandinavia and the UK, we begin to realise how powerless we humans are.

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