Two scientists must find a doomsday device that causes worldwide volcanic storms before the world is destroyed.
30 October 1956, Chicago, Illinois, USA
17 May 1961, USA
February 17, 1971 in Seattle, Washington, USA
5 September 1972, Beirut, Lebanon
6 May 1980, Arlington, Texas, USA
10 April 1978, Bronx, New York, USA
13 March 1975, Farmville, Virginia, USA
21 November 1970, Suffern, New York, USA
22 July 1987, Agadir, Morocco

