134Cs was measured in soil samples collected in the Western Canary Islands during a survey carried out in 1990–1991. This was 4 to 5 years after the Chernobyl Nuclear Power plant accident (1986). Models of the radioactive plumes did not show that 134Cs released by the nuclear accident was transported directly from the accident site to these islands. In this work, we provide a possible explanation to how the 134Cs may have been transported and deposited in soils of these islands after the accident.