The storm was beginning to weaken as it passed to the west of Cheju Island on August 3 and it made a second brief landfall on the T'aean Peninsula before moving north in the Yellow Sea.

[2] Although Typhoon Olga never approached the Philippines closely, it was responsible for heavy rains over much of Luzon that displaced 80,000 and killed 160 people, 60 of which coming from a landslide that occurred in Antipolo, a suburban city outside Metro Manila.

[3] Olga passed over Okinawa, with winds of 80 km/h (50 mph) recorded at Kadena Air Base, causing minimal damage.

[4] Torrential rain of up to 600 mm (24 in) fell on the Korean Peninsula, with the highest totals falling near the border between North and South Korea.

[4] The flooding in South Korea destroyed about 400 km2 (150 sq mi) of rice paddies and 8,500 homes, leaving 25,000 people homeless.