They are feeling the p-wave, which arrives just before the s-wave that you feel as shaking: https://www.smithsonianmag.com/smithsonian-institution/ask-smithsoni

They are feeling the p-wave, which arrives just before the s-wave that you feel as shaking: https://www.smithsonianmag.com/smithsonian-institution/ask-smithsonian-can-animals-predict-earthquakes-180960079/ https://www.smithsonianmag.com/smithsonian-institution/ask-s...