Geographic (A) and tectonic (B) maps of the Philippine Sea Plate region. Present-day plate boundaries are red (modified from Bird, 2003), relevant former plate boundaries are gray.

Dr. Know Who Was Juan de Fuca, and How Did He Get His Own Tectonic Plate? De Fuca shrewdly died in 1602, years before anyone could confirm or disprove his story of a Northwest Passage.

Facebook X Reddit Email About 150 million years ago, a massive tectonic mega-plate stretched across the Earth, spanning roughly a quarter of the size of the Pacific Ocean. Its jagged contours ran ...