February 4, 2021 Tucson, Arizona – Yesterday, February 3, 2021, at 12:12 pm in Tucson, Arizona, KOLD-TV Channel 13 reported “Mystery Sound Shakes Southern Arizona” between Green Valley and Picture Rocks (maps below). Reporter Dan Marries in KOLD-TV broadcast announced, “I felt it on the northwest side and would describe it as feeling like a seismic waveform originating from the ground and not the sky.” Davis-Monthan AFB said none of its aircraft had caused sonic booms, when jets travel faster than the speed of sound. Further, the U.S. Geological Survey had no record of seismic activity around noon time Wednesday, February 3, 2021. But two years ago, also in the Tucson region, there were other loud house-shaking booms that produced seismograms at the University of Arizona Department of Geosciences.
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