What Are The Features Of Volcanic Eruptions?

Описание: Volcanic eruptions vary in intensity, duration, damage and impact to the natural environment and humans. The volcanic features that occur before, during and after an eruption are discussed in this video. Based on the eruption style, gas content, VEI, and location; the eruptions features can and do vary greatly. Such volcanic features as pyroclastic flows, tephra, lava flows and lahars are summarized.