Which of the following is least likely to signal an impending volcanic eruption?

Question

Quizplus · Accepted Answer

Tsunamis are typically caused by underwater earthquakes or landslides, not directly by volcanic eruptions. While a volcanic eruption can lead to a tsunami if it causes a significant displacement of water, tsunamis themselves are not indicators of an impending volcanic eruption. Earthquakes, gas emissions, and swelling of the volcano are direct indicators of volcanic activity and potential eruptions.

Which of the Following Is Least Likely to Signal an Impending