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The region of Southeast Asia has a complicated geological history in one of the most tectonically active regions of our planet. This complexity derives from the fact that Southeast Asia is situated at the junction of four major tectonic plates (Eurasian, Indian–Australian, Pacific, and Philippine Sea) with a few smaller microplates, and therefore its geological evolution is strongly related to diverse plate tectonic activity. In addition to this complexity, Southeast Asia includes unexplored areas with extensive rainforests and restricted accessibility, which explains why it is generally und...

Widespread flooding of the Australian continent during the Early Cretaceous, referred to as the Eromanga Sea, deposited extensive shallow marine sediments throughout the Great Artesian Basin (GAB). This event had been considered ‘out of sync’ with eustatic sea level and was instead solely attributed to dynamic subsidence associated with Australia's passage over eastern Gondwanan subducted material. However, mantle convection models previously used to explain this event have since been shown to overestimate dynamic topography amplitude by a factor of two compared with residual topograp...