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Slide 13 of 18


And now for something completely different - volcanic eruptions. In February 2000, Mt. Hekla erupted in a small eruption. Although the network was incomplete at the time a significant coeruptive signal was observed of 7 mm towards the volcano, resulting from deflation of the magma chamber. The offsets fit quite well to predicted displacements from a model based on borehole strain data.