Watch Out for Ocean Levels Dropping
If you’re walking along the beach and you notice that the water starts receding, you may be in trouble. Another sign is if the coral reefs are uncovered. If this is what you see, it’s best to hit high ground as soon as possible. Why? A tsunami is probably on the way.
Source: CNN
Tsunamis typically occur when there’s an earthquake underwater, which ends up displacing the water above it. And if that happens, waves can move as 500 miles per hour across the ocean (the same speed as a jet airplane).
Ever seen J-shaped trees? They’re cool, but they signal something dangerous!