Which of the following is a post-volcanic activity? A) Earthquake C) Thermal Spring formation C) Lava ejection D) Typical behavior of the animals Related MCQs: Which country has the volcanic activity in the world? Which country has the most volcanic activity in the world? Mount Unzen is an active volcanic group of several overlapping stratovolcanoes. It is located in …….? Volcanic eruptions occur due to the conversion of rocks in the deeper layers of the earth’s crust to a molten state of?