Between 1975 and 1984 numerous rifting episodes occurred along the Krafla fissure zone, and the displacements they caused totalled about 7 metres.
- precision note: Total displacement accumulated over the 1975–1984 episodes, as stated by the source.
- method: Direct field observation of ground cracking and displacement.
Evidence support: Supported by the cited evidence one source
Evidence: Kious 1996 Primary authority