Predicting Volcanic Eruptions Organizer

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Describe two changes that occurred on the surface of the dome as the magma moved upward?
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In the weeks and days before the eruptions, what happened to the distance between the metal stakes?
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How did the observations described in the previous question affect the scientists’ predictions? 
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What happened to the crater floor just before eruption? ___________________________

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Describe one method scientists use to analyze earthquake data. ________________________________________________________________________

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What happens to earthquakes before an eruption? _______________________________

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