toxic gas cloud from volcanic eruptions set to hit UK within hours The Cloud of sulfur dioxide is moving towards Britain and could completely envelop the country after it was triggered by volcanic eruptions near grindvik ice land on Thursday last week the gas cloud hit the UK over the weekend hitting a small part of the Scottish Highlands in the early hours of the morning Met Office experts have been monitoring the cloud and predict it will travel South hitting the Midlands before hitting the south at around 6:00 a.m. on Tuesday the colorless but strong smelling gas is then set eventually Move On by 7:00 p.m. Wednesday sulfur dioxide is a toxic gas usually produced by burning coal or crude oil but is also emitted during volcanic eruptions it comes after a sixth eruption since December occurred in Southwest Iceland last week spewing lava and gas into the atmosphere Thursday's eruption as also accompanied by strong earthquakes Iceland's strong seismic activity and stunning volcanic Landscapes are due to the country sitting on two tectonic plates shifting apart from one another known as seismic shifts