Macpherson says the ash cloud is not unusual nor is the eruption of the volcano after 200 years of dormancy.

VOA: standard.2010.04.15

Macpherson says there is also no way of knowing whether there could be another eruption that could cause a similar ash cloud.

VOA: standard.2010.04.15

In 1982, a British Airways 747 flew through an ash cloud during the eruption of Mount Galunggung in Indonesia.

BBC: Volcanic ash air shutdown the 'right' decision

The ash cloud resulted from an eruption in the Eyjafjallajoekull area of Iceland.

BBC: Flight ban 'not over-reacting' say Wiltshire scientists

England, one of eight teams yet to travel to the Caribbean for the 12-team tournament, could have flown from Dubai, if their scheduled flight from London had remained grounded because of the volcanic ash cloud produced by an eruption in Iceland.

BBC: England confirm original World Twenty20 travel plans