Seismologist Wenyuan Fan explains the accidental discovery — buried deep in seismic and meteorological data — that certain storms over ocean water can cause measurable seismic activity, or 'stormquakes.' He says this phenomenon could help scientists better understand the earth below the sea.The original paper Wenyuan co-authored on stormquakes is here. Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at shortwave@npr.org.