| Show Buss Explodes Atomic Blast The Soviet Union set off a giant nuclear explosion REPORTS from around the world feared that the bomb was the monster promised by the Prussians later this but the A EC said late Monday afternoon that the bomb w as approximately 30 megatons in There were also unconfirmed reports that an underwater bomb was exploded at the same THE OBSERVATORY at said Monday's explosion was twice as heavy as any recorded for previous Soviet tests in the series that began last The explosion also was recorded in France and PREMIER Khrushchev told the Communist Party Congress last week that the current series of Soviet tests probably would conclude at the end of this month with the testing of a thermonuclear device equivalent to 50 million tons of Some versions of Khrushchev's speech had the explosion pegged for 30 or MEANTIME a storm of protest against plans for the I blast has been building up in the United Nations and where in the Thus the Soviet Union conceivably could have decided to go ahead with the test ahead of the scheduled I There was no tion of from I Moscow or any other source within the first few hours after today's blast went Arthur of the Uppsala Seismological said he found reason to believe today's explosion was of a But in Washington an spokesman TAKES a certain amount of time to analyze this thing from what we some caution needs to be exercised concerning the Swedish report insofar as a device is Japanese sources had estimated at 10 megatons the strength of a previous Soviet test bomb in TODAY'S explosion took place in the same area and at approximately the same altitude as earlier the power of the bomb must have been considerably stronger than any previous Soviet nuclear detonation in the blast must have been registered the |