Sundaland and the Submerged Prehistory of Southeast Asia

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Altars of the Deluge

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FRONTERAS · ISBN 979-8180640031 · 264 pages

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Homo erectus fossil study · geology and age of the Solo palaeovalley.

The find demonstrates that part of Southeast Asia’s Pleistocene human record lies beneath modern seas. It does not by itself prove a flood tradition or a lost civilisation: it establishes a habitable landscape now submerged and makes the region’s underwater archaeology a material gap in the terrestrial record.

Submerged Sundaland prehistory no longer rests only on sea-level reconstructions. In 2025 two cranial fragments attributed to Homo erectus were published from dredged deposits in the Madura Strait. A companion geological study identified the deposit as the fill of a former Solo River valley formed while the Sunda Shelf was exposed and documented more than six thousand vertebrate fossils.

Updated documentary status

The Edge of a Submerged World

We had flown out of Spain on the twentieth of December, landed in Bangkok the next day, and stayed there until the twenty-fifth — a long layover the ticket imposed and the body was glad of: time enough to reassemble schedules, luggage and ourselves. It became a kind of antechamber. Before dawn on the twenty-fifth, as the aircraft left Bangkok and began its descent towards Jakarta, I understood that the journey had not begun for me on any runway, but in the moment of conceding that time, in Southeast Asia, does not altogether keep to a boarding schedule. To a traveller in a hurry that sea is a simple partition, a sheet of water laid between thousands of islands. For us it was something else. Through the window I saw more than darkness and flight paths: I saw a drowned shelf, a geography the rising sea had maimed. Under that shallow…

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