40 Little-Known Warning Signs That Mean Nature Is About To Strike

Image: via Gyrzzl

Tsunamis, earthquakes and other violent natural disasters can all wreak havoc and cause untold destruction – sometimes at a great cost to humanity. Thankfully, there are usually warning signs before one of these catastrophic events hits – through animal behavior, perhaps, or changes to the environment. And it’s well worth knowing what you should be looking out for even when you’re simply exploring the natural world. After all, being aware of the true meaning of those square waves may just save your life.