2006 March 29	Sahara Desert, Libya
2002 December 4	Lake Everard, South Australia
2001 June 21	north of Lusaka, Zambia
1999 August 11	Black Sea
1998 August 22	Espiritu Santo, Vanuatu
1998 February 26	Westpunt, Curacao
1994 November 3	Atacama desert, northern Chile
1991 July 11	north of Puerto Vallarta, Mexico
1976 October 23	Bombala, NSW, Australia