Seismic Anomaly Share definition Flag A seismic anomaly, is an unforseen fortuitous event. When I was going through my old jeans, I found a $100 bill! Thats a total seismic anomaly! Seismic Anomaly by king sizzle May 21, 2010 0 0 Get merch Get the Seismic Anomaly mug. Buy Now — $32.95 See more merch