ゆっくり滑すべりゆっくりすべりじ字FuriganaMeanings1nounslow earthquake; slow slippageTechnical term in seismology for a type of fault slip that occurs slowly over days to years, without generating strong seismic waves.ゆっくり滑すべりは、通つう常じょうの地じ震しん計けいでは捉とらえ