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The Australasian strewnfield, covering at least one-tenth of the Earth's surface, is the largest and the youngest of the tektite strewnfields. The 800,000 year-old strewnfield includes most of Southeast Asia (Vietnam, Thailand, Southern China, Laos and Cambodia). The material from the impact stretches across the ocean to include the islands of the Philippines, Indonesia, Malaya and Java and reaches far out into the Indian Ocean and south to the western side of Australia.

The impact crater may have been between 32 and 114 kilometres in diameter. Also, some recent estimates suggest that the strewn field may cover 30% of the earths surface (Povenmire et.al).

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