Complex sentence: The Waverly Tank Car Explosion occured at 2:58 PM on Friday February 24,1978 in Waverly, Tennessee, when a tank car containing liquified petroleum gas (LPG) exploded as a result of a derailment earlier in the week.
Split into simpler sentences: The Waverly Tank Car Explosion was an explosion that occured at 2:58 PM on Friday February 24,1978 in Waverly, Tennessee, following a previous rail accident. A tank car containing liquified petroleum gas (LPG) exploded as a result of a derailment earlier in the week.