Why Animals Sometimes Act Strange Before Earthquakes

You’ve probably heard someone say animals can sense earthquakes before they happen. It sounds a bit hard to believe, but this idea has been around for a long time. Over the years, enough real incidents have been reported for scientists to start taking it seriously.

In many cases, people notice small changes in how animals behave just before an earthquake. Dogs may start barking more than usual, pacing around, or trying to run out. Cats often go quiet, hide, or seem tense for no clear reason.

And it’s not just pets. There have been instances where elephants moved away from coastal areas before earthquakes and tsunamis. During the 2004 Indian Ocean tsunami, some elephants were seen heading towards higher ground well before the waves reached land.

Researchers think they may be sensing faint vibrations through their feet.

There is also a response from the birds. In some cases, they suddenly abandon their nests or behave erratically. Other land animals such as cattle and chickens have also exhibited erratic behaviour in anticipation of an earthquake.

The effects of an earthquake even manifest in the depths of the oceans, as fish are known to exhibit strange behaviour prior to an earthquake. One possible reason is that underground changes affect the water, releasing gases or slightly altering it.

There are also older stories, like the one from China in 1975, when snakes came out of their winter shelters despite the cold. Soon after, a major earthquake struck. Stories like these are part of why this idea has lasted so long.

Nevertheless, one should never put all his faith into this. It is obvious that animals do not act unusual prior to all quakes, and there are situations when their behaviour does not correlate with any seismic processes at all.

The reason for such behaviour may be the fact that animals notice certain changes invisible for humans – vibrations in the Earth surface or low frequency noises. The sense organs of animals are more sensitive than those of humans.

However, it is hard to say for sure whether this is really the case.