Category Archives: Volcanoes

Fluid basalt lava flow, Mauna Loa, Hawai`i What are Lava Flows? Lava flows are streams of molten rock that pour or ooze from an erupting vent. Lava is erupted during either nonexplosive activity or explosive lava fountains. Lava flows destroy … Continue reading →

GENERIC FEATURES A volcanic vent is an opening exposed on the earth’s surface where volcanic material is emitted. All volcanoes contain a central vent underlying the summit crater of the volcano. The volcano’s cone-shaped structure, or edifice, is built by … Continue reading →