Tuesday, November 30, 2004

Mount St Helens - new images of the lavadome

The USGS/CVO have released a series of close-up images of the growing lavadome on Mount St Helens.

The large and growing welt looks more reminiscent of something from a 50's sci-fi film than the traditional picture of an erupting volcano. It's difficult to get a sense of scale from these pictures, but this new feature on the mountain is BIG, as evidenced by this USGS image comparing the lavadome to the size of 4 football fields! (BTW, I'm guessing that the USGS have used US football fields for this comparison, rather that real Aussie footy fields...)

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