The Three Gorges Dam in China, an engineering marvel on the Yangtze River, has subtly influenced Earth's rotation and axis, showcasing human impact on planetary systems. Holding up to 39.3 billion cubic meters of water, the dam increases Earth's moment of inertia, lengthening the day by 0.06 microseconds and shifting the axis approximately 80 centimeters eastward, while highlighting the broader implications of human activities compared to natural events like earthquakes and tsunamis.
Source
Source