LOUDER: 220 dBs SATURN 5 ROCKETSHIP, MELTS CONCRETE AND BURNS GRASS ONE MILE AWAY 232 dBs LARGE NON-NUCLEAR EXPLOSION 1917 DESTRUCTION OF GERMAN WWI TUNNELS IN MESSINES RIDGE BELGIUM, HEARD OR FELT IN LONDON 248 dBs ATOMIC BOMB-HIROSHIMA 286 dBs MT. SAINT HELENS VOLCANO ERUPTION. BLEW DOWN TREES 16 MILES AWAY. 302? dBs TUNGUSTA SIBERIA METEOR. BLEW DOWN HOUSES 600 MILES AWAY 310 dBs KRAKATOA VOLCANO ERUPTION (1883) CREATED A 3000 FOOT TIDAL WAVE. HEARD 3100 MILES AWAY. AT THE DISTANCE OF 100 MILES EVEN WHEN SHOUTING IN SOMEONES EAR COULD NOT BE HEARD. ROCKS WERE THROWN TO A HEIGHT OF 34 MILES. DEBRIS FELL CONTINOUSLY FOR 10 DAYS AFTER BLAST.