Published by Craig at August 13, 2020 Based on a report in BBC News on July 24, 2020, an international team of researchers reported that the March-May period during the lockdown of the pandemic represents "the longest and most prominent global anthropogenic seismic noise reduction on record.” In plain English, this means that the movement caused by humans in everything we do—from driving our cars, to operating our factories—produces ground motions that can be detected by seismometers. In some cases, the noise was reduced by as much as 50%. Normally, this human noise needs to be filtered out to detect low magnitude earthquakes.