I don't find this kind of folk wisdom hard to believe at all. Animals can sense minute tremors and changes in electromagnetic fields long before humans can, and long before actual earthquakes occur. There are tales of elephants rushing to high ground before a tsunami hits
When tectonic plates rub against each other it sets off an audible "screech" that can range from above the range of human hearing (but is audible to animals) and sometimes even trumpet-like sounds or blasting sounds.
I don't find this kind of folk wisdom hard to believe at all. Animals can sense minute tremors and changes in electromagnetic fields long before humans can, and long before actual earthquakes occur. There are tales of elephants rushing to high ground before a tsunami hits
When tectonic plates rub against each other it sets off an audible "screech" that can range from above the range of human hearing (but is audible to animals) and sometimes even trumpet-like sounds or blasting sounds.