H.P. Lovecraft borrowed from this real Connecticut seismic phenomenon
The Connecticut village of Moodus lies over a seismic fault that produces shallow microearthquakes that cause weird booms, rumbles, and cracks. The Algonquian peoples named the area Matchitmoodus. (”the place of noises”)
The biggest Moodus Noise on record was an intensity-7 earthquake on May 16, 1791. The Pequot, Mohegan, Narragansett, and Wangunk tribes…



