Friday, June 13, 2008

Volcanoes from Space

Part two.

How do we know where volcanoes will erupt?

One of the ways is to look for evidence that there is a magma on the move. We should see swarms of small earthquakes and some pushing up of the earths surface as the magma moves up.

Take a look at the Three Sisters area in Calf. --it went up 15cm in 4 years --that is huge. Check out the radar data in this article:

Monitoring Volcanoes from Space

Harry Allen

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