Ash rising behind Sýlingarfell, as magma hits groundwater triggering phreatomagmatic activity from a volcano in Grindavik, Iceland.

An eruptive fissure spews lava and smoke from a volcano in Grindavik, Iceland.

A cloud of smoke billows as a volcano erupts in Grindavik, Iceland.

Smoke billows from a volcano in Grindavik, Iceland.

A volcano erupts in Grindavik, Iceland.

An eruptive fissure spews lava and smoke from a volcano in Grindavik, Iceland.

Lava flows from a volcano in Grindavik, Iceland.

An eruptive fissure spews lava and smoke from a volcano in Grindavik, Iceland.

A volcano spews lava in Grindavik, Iceland.