Figure 4. Snapshots in equal-area projection of the continent motion history assumed in this model at times of 0 days, 10 days, 20 days, 30 days, 50 days, 70 days, 90 days, 110 days, 130 days, 150 days, 180 days, and 220 days. True polar motion along the prime meridian is assumed to occur between the beginning of the simulated history until a time of 90 days. The North and South poles migrate in the plane defined by the prime meridian by 110° during this interval. The location of the South Pole is marked by the letter ‘S.’ The map projection is chosen such that Gondwana, which remains intact during that interval, is stationary. This means that in this projection the Africa block undergoes no motion from its original Pannotia location and its location as part of Pangea. BAUMGARDNER AND NAVARRO Large tsunamis and Flood sediment record 2023 ICC 372
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