The lava oozes out of the volcano vent where it piles up around the opening. New eruptions force the small dome to expand outward away from the vent. This causes the surface of dome volcanoes to be rough and broken in appearance. Here are some examples of dome volcanoes. read more
Lava domes are the fourth type of volcano that we are going to discuss. Unlike composite and shield volcanoes, lava domes are of significantly smaller stature. They are formed when the lava is too viscous to flow to a great distance. read more
Here are some examples of dome volcanoes. Shastina in California has several lava domes that have grown inside the caldera at its summit. Mont Pelee in Martinique is also a dome that killed over 30,000 inhabitants of St. Pierre when pyroclastic flows destroyed the town in 1902. read more