It happened, while Saul talked to the priest, that the tumult that was in the camp of the Philistines went on and increased: and Saul said to the priest, Withdraw your hand.
Half a furrow of land (1 Samuel 14:14) was half a parcel of land that a yolk of oxen could plow in one day. Evidently God assisted Jonathan by sending a mild earthquake to unnerve the Philistines further (1 Samuel 14:15; cf. Deuteronomy 7:23).