After affecting the FSM, Chataan began a northwest track as an intensifying typhoon. Its eye passed just north of Guam on July 4, though the eyewall moved across the island and dropped heavy rainfall. Totals were highest in southern Guam, peaking at 536 mm (21.1 in). Flooding and landslides from the storm severely damaged or destroyed 1,994 houses. Damage on the island totaled $60.5 million, and there were 23 injuries. The typhoon also affected Rota in the Northern Marianas Islands with gusty winds and light rainfall. Typhoon Chataan attained its peak intensity of 175 km/h (110 mph) on July 8. It weakened while turning to the north, and after diminishing to a tropical storm Chataan struck eastern Japan on July 10. High rainfall, peaking at 509 mm (20.0 in), flooded 10,270 houses. Damage in Japan totaled about $500 million.
The name Chataan means "rainy day" in the Chamorro language, which is spoken on Guam.[1] The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) named the storm Gloria while the typhoon was in the vicinity of the