1979 Nice tsunami
The two waves struck the coast between the Italian border and the town of Antibes (60 miles; 96 km). They reached 3 m high near Nice and 3.5 m at La Salis (Antibes) and decreased in amplitude from there.
In the first hypothesis, there was a 150 m3 slide off Nice airport while constructing the fill of a new airport, perhaps as a consequence of this work. This landslide would have caused the first tsunami. After that, the material of this slide would have caused the submarine slide that would have caused the second tsunami.
In the second hypothesis, the major natural submarine landslide (~8.7 km2) that occurred offshore Nice caused a tsunami which would have caused a landslide of the fill of the new airport. This landslide caused another tsunami.
At the construction work, the collapsing fill killed seven people.
The tsunamis inundated a 20-mile section of the coast. The water travelled up to 150 m inland. The 11 people swept away in Nice and one in Antibes were presumed dead. Economic damages were large.
The airport works were finished, but this event has precluded the construction of a new port for Nice.
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