Tsunami in Spain | Is it possible for a tsunami to occur in Spain?



As of 2022, the Intergovernmental Ocean Commission has warned that the probability of a tsunami of more than 1 meter in the Mediterranean Sea over the next 30 years is close to 100%. The statements were based on a study published under the title “Probable Tsunami Risk in the Mediterranean Sea” published in the specialized journal. Journal of Geophysical Research.

In the past 2,500 years, the Mediterranean countries have experienced many disastrous tsunamis. The most famous of them occurred in the years 365, 1303 and 1908. The first and second earthquakes occurred in the Hellenic Arc, and the third occurred in the Strait of Messina. More recently, the most destructive tsunami in the Mediterranean region hit the Aegean Sea in 1956, with waves reaching 25 meters high, and northern Algeria in 2003, where two-meter waves were felt as far as the Balearic Islands.

The historical data record leads us to believe that the risk of a tsunami that could affect the Mediterranean Sea is indeed real.

Tsunami in the Mediterranean

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In the Spanish Mediterranean, the largest Chances of a tsunami Comes from the marine bug AverroesIt is located in the Alboran Sea. The data comes from a study recently published by CSIC in the journal “Scientific Reports”, which indicates that not only normal and reverse faults will be able to cause tsunamis, but also, as is the case, directional jump faults. In fact, according to its authors, lWaves caused by an earthquake in the Averroes offshore fault can be up to six meters high and will take between 21 and 35 minutes to reach the coast.

However, the Spanish coast most exposed to a possible tsunami is the Atlantic Ocean. According to the data provided by Tsumaps, the probability of a 1 meter high tsunami hitting the coasts of Huelva or Cádiz in the next 50 years is 10%, 3% if we are talking about a 3 meter wave. It is likely that the events of 1755 recounted at the beginning of this article will likely happen again, which is why some towns in southern Spain already have hazard prevention programs and work protocols in the event of a tsunami.

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