The solid volcanic rock resulting from subsequent cooling of the molten material is often also called lava. A lava flow is an outpouring of lava during an effusive eruption. (An explosive eruption, by contrast, …

Jan 5, 2026 · Strictly speaking, the term volcano means the vent from which magma and other substances erupt to the surface, but it can also refer to the landform created by the accumulation of …

Jul 5, 2023 · These complex volcanoes are made of lava flows, pyroclastic deposits, as well as volcanic domes. Lahars and landslides that reshape these volcanoes may occur during eruptions or at other …

Molten rock below the surface of the Earth that rises in volcanic vents is known as magma, but after it erupts from a volcano it is called lava. Magma is made of molten rock, crystals, and dissolved …

At its core, lava is molten rock expelled by a volcano during an eruption. It originates deep within the earth, where temperatures are high enough to melt rock. When pressure builds up in the earth’s …

Jul 10, 2025 · With their tall peaks and straight, even sides, composite or stratovolcanoes are often visually striking. They form from repeated layers of lava flows, cinders, volcanic ash, and volcanic...

Jul 20, 2023 · When a volcano erupts, the molten rock (or magma) that comes out of the Earth is called lava. Because lava is so hot (more than 1,100 degrees C, over 2,000 degrees F), it remains molten …

Feb 25, 2025 · From lava fountains to towering ash clouds, volcanoes produce some of the most dramatic geological events on the planet.

13 hours ago · Hawaii's Kilauea volcano erupts – video The Kilauea volcano in Hawaii erupted on Sunday, sending lava fountains, ash and smoke into the air.

The next lava fountaining event is predicted to begin on Feb.15th. HVE provides the latest Kilauea Lava updates and Big Island's volcano activity.