What is a Volcanic Eruption? A volcanic eruption is an explosive release of hot gas, ash, lava, and rocks from a volcano. It occurs when magma from deep within the Earth’s crust rises to the surface, accumulating pressure and creating instability. The powerful force released from the magma’s expansion can cause devastating destruction, including widespread […]

  What is a Volcano? A volcano is an opening in the Earth’s crust where magma comes to the surface and is expelled as lava. An eruption can be violent and explosive (like Mount Saint Helens in Washington State) or slow and steady (like Kīlauea on the big island of Hawaii). Volcanoes can be either […]