Ze_ntix on Instagram: "- This post shares a 1-minute video compiling five coastal scenes of receding water labeled as "scariest moments before tsunami hits," but frames reveal mostly calm low tides at locations like red-sand beaches and harbors, misleading viewers on real threats. - Actual tsunami precursors include abrupt water withdrawal over 100 meters inland post-earthquake, per USGS data, contrasting with predictable tides; such videos erode public trust in warnings, as seen in 290 critical