West Indies, Monserrat, Plymouth, Town buildings covered in layer of volcanic ash after 1997 eruption.

West Indies, Monserrat, Plymouth, Town buildings covered in layer of volcanic ash after 1997 eruption.

West Indies, Monserrat, Plymouth, Town buildings covered in layer of volcanic ash after 1997 eruption.

West Indies, Monserrat, Plymouth, Town buildings covered in layer of volcanic ash after 1997 eruption.

West Indies, Monserrat, Plymouth, Town buildings covered in layer of volcanic ash after 1997 eruption.

Ireland, County Antrim, Giants Causeway, a tourist sitting among the rocks admiring the view.

Ireland, County Antrim, Giants Causeway, Dramatic cloud pattern over the rocks at sunset.

Ireland, County Antrim, Giants Causeway, Dramatic colourful cloud pattern over the rocks at sunrise.

Ireland, County Antrim, Giants Causeway, Dramatic cloud pattern over the rocks at sunset.

Indonesia, Java, Mount Merapi, Volcano erupting at dawn with lava flowing in a stream down one side.

Italy, Sicily, Mount Etna erupting on 8th September 2011.

Italy, Sicily, Mount Etna erupting on 8th September 2011.