This composition is determined from data available from the OKLAHOMA GEOLOGICAL SURVEY OBSERVATORY CATALOG OF NUCLEAR EXPLOSIONS. It is a catalog of KNOWN AND PUTATIVE NUCLEAR EXPLOSIONS FROM UNCLASSIFIED SOURCES and LAST UPDATED on 1998 JUN02.

VISUALS: Each nuclear test is indicated by an animated ring emanating from the point of the test origin. The ring increases in size in proportion to the test magnitude as detected by the OKLAHOMA GEOLOGICAL SURVEY OBSERVATORY.

SOUNDS: A musical note is sounded for each test record. Different musical instruments are assigned to each of the testing countries with which the test records are associated. The musical note is sounded in proportion to the magnitude of the test.

The full screen version requires a download of JAVA WebStart, and may require the user to accept a signed certificate from the artist.

The Web enabled version requires the JAVA JRE version 1.4.1_01 or higher and is best if viewed on IE 5.0 or higher.