1 - Flood in Derna, Libya Flashcards
When was the flood in Derna?
Sep 10, 2023 – Sep 11, 2023
How many people were killed, and how many were missing at the time?
More than 4,000 killed and 10,000 missing
What percentage of Derna was destroyed?
25% (port city)
What was the main factor/event that exacerbated the flooding?
Two dams located upstream from the city collapsed from the pressure brought by the heavy rains
What caused the flooding?
Heavy rains generated by Storm Daniel (strong Mediterranean cyclone)
What was the effect on nearby countries?
Storm Daniel caused flash flooding in Turkey, Greece, and Bulgaria, damaging infrastructure
Why did the dams fail?
They were suffering from years of neglect
How many million cubic meters of water was released from the collapse of the dams?
30 million cubic meters
What is another measure of how deadly this event was?
It’s the second-deadliest dam failure in recorded history
What is the frequency of a flood of this magnitude?
a 1 in 300 to 1 in 600 year flood
