Lapho izinhlekelele zemvelo ezinjengokuzamazama komhlaba, ama-tsunami, ukwehla kodaka, izivunguvungu zenzeka futhi ngemuva kwezinhlekelele, zinikeza ukudla okusekela impilo, amanzi, izinto zosizo lokuqala kanye nezinto zezimo eziphuthumayo ukuze zisinde, zizisindise.