JAKARTA, Indonesia, Oct, 9 — (AP) — Violent earthquakes and a gigantic tidal wave brought an appeal for outside assistance today from the Island of Amboina, center of a rebellion of South Moluc-catis against the government of Indonesia.Heavy casualties were fear, ed here from the quakes and a tidal wave which a broad, cast from the island said ros« to 200 meters (656 feet).The island, 32 miles long and having an area of 380 square miles, is subject to i frequent damage from th«; quakes.The broaden si, risking Red Cross help, said the earth shocks beg;-Sunday morning, Advices from Poona, India, yesLorday said seismographs tliere recorded an earth quake in that general area, with its epicenter near Timor, which is southwest of Amboina.Damage was reported heaviest in the coastal districts of the island, home for some 240. (100. 'J’iie villages of Gaiala and Halting were believed lo have been hard hit and suffering casualties.The island already suffered as a result of heavy fighting between Indonesian. Government troopc |/.’hbel South Moluecans. The Soulii Av-'I ocean Republic, whose eentef See MOUNTAIN (Continued on Page Two)