for each germanic surname in this glossary we have provided the english meaning which may or may not be a surname in english this is not a list of equivalent names but rather a sampling of english translations or meanings of german names
Image courtesy of USGS. There are two predominant types of volcanic eruptions: Effusive eruptions â magma rises through the surface and flows out of the volcano as a viscous liquid called lava. Explosive eruptions â magma is torn apart as it rises and reaches the surface in pieces known as pyroclasts.mage courtesy of USGS. There are two predominant types of volcanic eruptions: Effusive eruptions â magma rises through the surface and flows out of the volcano as a viscous liquid called lava. Explosive eruptions â magma is torn apart as it rises and reaches the surface in pieces known as pyroclasts.
Types of Eruptions. Within these two broad eruption categories, there are several typical eruption varieties. The most common eruption types are: Plinian Eruptions: These awesome eruptions can inflict serious damage on nearby areas -- the eruption that buried Pompeii and Herculaneam was a Plinian eruption.They are initiated by magma with very high viscosity and gas content.he most common eruption types are: Plinian Eruptions: These awesome eruptions can inflict serious damage on nearby areas -- the eruption that buried Pompeii and Herculaneam was a Plinian eruption.