The ground breaks. The ocean moves. And something ancient answers.A silent impact strikes California's most dangerous fault line-without fire, without warning.What follows is not a natural disaster, but a chain reaction that fractures the land and reshapes the coastline in real time.As the Pacific floods newly opened seams in the Earth, satellites uncover something impossible beneath the water: a vast, geometric city-sealed, intact, and untouched by time.It was never meant to be found.Scientists race to understand what has emerged, while the world watches a catastrophe unfold live across every screen. Then the city activates-and sends a brief signal into deep space.It is not a message.It is a test.The Closed City: Point of Impact is a gripping science fiction thriller about discovery, unintended consequences, and the terrifying realization that humanity may not be alone-or first.Perfect for fans of hard science fiction, disaster thrillers, and first-contact mysteries.