The Laki lava flow

During the 1783–1784 Laki eruption, lava from a 27-km fissure system travelled as far as about 65–70 km from its vents. It is one of the longest documented lava flows of historic times. This is the distance reached by the lava, not the length of the fissure: the flows covered about 600 km², and their volume is estimated at roughly 14.7 km³ [1–3].