Wednesday, September 20, 2023

ESSAOUIRA GEOLOGY

EARTHQUAKES


   The most famous disaster for Mogador was the earthquake1st of November 1755, Lisbon ( Magnitude 9) and the following Tsunami with 15 m high waves who destroyed parts of the towns at the Moroccan Atlantic coast including Mogador.




Old map of seismic activities in the Essaouira region.

2 Mars 2009
Sidi Kaouki Magnitude 4,6
(Institut national de Geophysique)







 Agadir earthquake
took place on February 29, 1960, at 23:40 local time. 

It was the most destructive and deadliest earthquake in Moroccan history with a magnitude of 5.7 Mw, killing around 15,000 people (about a third of the city's population of the time) and wounding another 12,000. At least 35,000 people were left homeless. 

Pictures from the earthquake (External link)

Despite its moderate magnitude, the earthquake's shallow focus
and proximity to the major city of Agadir made it very destructive.



Tectonic map of northwesternmost Africa showing the northern part of the West African Craton (WAC) and the adjoining fold belts (Michard et al . 2008).






Resources

https://en.wikipedia.org/wiki/List_of_earthquakes_in_Morocco

https://en.wikipedia.org/wiki/1755_Lisbon_earthquake

 


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