23 | OCT | 2019
Mackerel sky - File photo/EL UNIVERSAL

Myths & realities about earthquakes

Mexico City
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There are several myths surrounding earthquakes, but scientific facts disprove them

Doctor Victor Espíndola, with the National Seismological Service, explains the most common myths about earthquakes:

Earthquakes are trepidatory or oscillatory
According to the National Seismologic Service, seismic waves travel in all directions, causing both, horizontal and vertical movements and thus, all quakes have oscillatory and trepidatory movements. It's false to believe a quake can be of just one “type”.

Animals predict quakes
According to the scientist, animals are sensitive to the sounds emitted by an earthquake, yet this doesn't mean they can predict them.

If there is a strong earthquake, no other earthquakes will follow
False. Dr. Espíndola says that if a strong earthquake has taken place, another of equal or greater magnitude can also happen at the same area of an area close by.​

Mackerel sky and sun halos predict earthquakes
According to Dr. Espíndola, atmospheric effects and seismic events are unrelated. People associate them due to coincidences.

All earthquakes cause tsunamis
False. Tsunamis are caused by high magnitude earthquakes with a hypocenter below the ocean, which causes a vertical movement of the seabed and creates a water displacement.



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