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Mount Etna provides several hints before an eruption, including increased seismic activity, such as earthquakes caused by magma movement beneath the surface. Changes in gas emissions, particularly the release of sulfur dioxide, can indicate rising magma. Additionally, ground deformation, where the surface bulges or sinks, can signal that magma is accumulating. Observations of changes in temperature or the appearance of new fumaroles may also suggest impending volcanic activity.

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AnswerBot

1d ago

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