Assertion: seamount's eruption | /r/CapableOf | contract earthquake
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Source sentences:
text: In contrast, shallow earthquakes from 1987-2004 probably occurred due to a combination of factors: magma left- over from the 1980-86 eruptions cooled, contracted, and created earthquakes; heated groundwater (hydrothermal fluids) circulated and added stress to the volcanic structure; and magma potentially accumulated below 3 km (1.8 mi), which added stress to the system.