Travel insurance carriers release position statements when current events affect coverage. The following is a position statement from USA-ASSIST on the volcanic eruption in Iceland.
Event is over for insurance purposes as of 4/22/10. If the volcano activity will be recurring affecting the air travel this recurrence will be considered a new event.
Eyjafjallajokull volcano ashes have affected flights in Scotland and Ireland. Policies purchased from April 22nd up to May 5th, for travelers flighing to and from the mentioned countries, will be considered under a new event.