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Earthquake = 32 kiloton of TNT?Latest Earthquake, 27 February 2008, 00:56 UTCPRELIMINARY LOCATION 22 km SW of Grimsby/8 km East of Market RasenPRELIMINARY MAGNITUDE 5.3 ML The Richter Approximate Magnitude of 5 is equivalent to 32 kiloton of TNT or the same as Nagasaki atomic bomb (actual seismic yield was negligible since it detonated in the atmosphere)
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