Mt St Helens volcano (USA), activity update: growth of spine, tremors

jeu., 23 nov. 2006, 00:12
00:12 AM | AUTEUR : TOM PFEIFFER

The lava dome at Mount St. Helens continues to grow, and producing a prominent spine that rises by about 2-3 meters per day. Small tremors are frequently registered at the volcano, believed to be caused by the movements of the spine being pushed up by pressurized magma in the conduit.


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Source: USGS

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