Jonah was running from Hashem because Jonah doesn't want to go tell Nidvae to do tishuva. He boards a ship and there was a terrible storm. Jonah is throne off and the storm stops. He is later eaten by a fish (whale) for three days. Then the whale spits Jonah into another fish who swims him to shore. On the way to land Hashem allowed Jonah to look through the fishes eyes and saw where the splitting of the sea! After Jonah is brought to shore and warns Nidvae that they must do teshuva because of all there sins.