COVID Pandemic Reduces Seismic Noise

Vibrations in the earth’s crust generated by human activity dropped as lockdowns went into effect

Credit: Shirley Wu

Mark Fischetti

Mark Fischetti is a senior editor at Scientific American. He covers all aspects of sustainability.

Credit: Nick Higgins

Shirley Wu

Shirley Wu is an award-winning creative focused on data-driven art and visualizations. She combines her love of art, math and code into colorful, compelling narratives that push the boundaries of the web. Her work can be found at


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