![]() | ||
A Surtseyan eruption is a type of volcanic eruption that takes place in shallow seas or lakes. It is named after the island of Surtsey off the southern coast of Iceland.
Contents
These eruptions are commonly phreatomagmatic eruptions, representing violent explosions caused by rising basaltic or andesitic magma coming into contact with abundant, shallow groundwater or surface water. Tuff rings, pyroclastic cones of primarily ash, are built by explosive disruption of rapidly cooled magma.
Characteristics
Although similar in nature to phreatomagmatic eruptions, there are several specific characteristics:
Examples of Surtseyan eruptions
References
Surtseyan eruption Wikipedia(Text) CC BY-SA