4 years ago

The absence of what seismic wave type provides evidence for migration of magma in volcanoes

1 answer:

n200080 [17]4 years ago

7 0

As magma moves upward in a volcanic chamber, it causes fracturing of brittle rock which gives rise to short-period earthquakes and the ensuing seismic waves are known as 'A' waves. These type of occurrences are known as volcano-tectonic events.

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