4 ms·
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5615297/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5615297/ This study says earthquake precursor movements send
by hashmap 8y ago
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5615297/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5615297/
This study says earthquake precursor movements send signals into the ionosphere, that cause other signals to propagate to earth, which can make objects vibrate audibly, minutes or possibly hours before the main shock. It argues this may be what animals are hearing. Rube Goldberg if true.