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RUBENS ALENCAR
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U.S. warns of
Mosul Dam
collapse in Iraq
The U.S. has warned of an unprecedented risk of the Mosul Dam collapsing and has urged people to be ready to evacuate. If the dam burst, floodwaters could kill 1.47 million Iraqis along the River Tigris
Mosul: Could be inundated by
up to 21m of water within one
to four hours of dam collapse
Tigris
River
IRAQ
MOSUL
MOSUL DAM
Length:
Height:
Capacity:
3.4km
113m
1,052MW
10km
RESERVOIR
6 miles
Length:
Capacity:
50km
Flood risk
zone
11bn cubic metres
Between 500,000 and 1.47m people
along 482km flood path could be killed
FLOODING TIMELINE
Tigris River
Risk area
TURKEY
IRAN
100km
60 miles
Mosul
1-4 hours
SYRIA
Baiji
Mosul
Dam
Tikrit
1-2 days
IRAQ
Samarra
IRAQ
Baghdad
3-4 days
STRUCTURAL FLAW
1
Dam built in 1980s on
water-soluble gypsum
Grout
pump
MOSUL
DAM
2
Seepage creates
cavities beneath dam
3
Cavities need to be filled daily
with cement grout mixture to
prevent foundations giving way
Maintenance work disrupted after
militants from so-called Islamic
State briefly seized dam in 2014
Sources: U.S. embassy in Iraq, U.S. Army Corps of Engineers, Special Inspector General for Iraq Reconstruction (SIGIR). Picture: Google/DigitalGlobe
© GRAPHIC NEWS
U.S. warns of Mosul Dam
collapse in Iraq
The U.S. has warned of an unprecedented risk of the Mosul Dam collapsing and has urged people to be ready to evacuate. If the dam burst, floodwaters could kill 1.47 million Iraqis along the River Tigris
MOSUL DAM
Length:
Height:
Capacity:
3.4km
113m
1,052MW
IRAQ
RESERVOIR
Flood risk
zone
Length:
Capacity:
50km
IRAQ
11bn cubic metres
Tigris
River
Tigris River
Risk area
FLOODING
TIMELINE
TURKEY
IRAN
MOSUL
10km
6 miles
SYRIA
Mosul
1-4 hours
Baiji
Mosul: Could
be inundated
by up to 21m
of water within
one to four
hours of dam
collapse
Mosul
Dam
Tikrit
1-2 days
Samarra
IRAQ
Euphrates
100km
Baghdad
3-4 days
60 miles
Between 500,000 and 1.47m people along 482km
flood path could be killed
3
Cavities need to be filled
daily with cement grout
mixture to prevent
foundations
giving way
STRUCTURAL FLAW
1
Dam built in 1980s on
water-soluble gypsum
MOSUL
DAM
Grout
pump
2
Seepage creates
Maintenance work
disrupted after militants
from so-called Islamic
State briefly seized
dam in 2014
cavities beneath dam
Sources: U.S. embassy in Iraq, U.S. Army Corps of Engineers, Special Inspector General for Iraq Reconstruction (SIGIR). Picture: Google/DigitalGlobe
© GRAPHIC NEWS
U.S. warns of Mosul Dam
collapse in Iraq
The U.S. has warned of an unprecedented risk of the Mosul Dam collapsing and has urged people to be ready to evacuate. If the dam burst, floodwaters could kill 1.47 million Iraqis along the River Tigris
IRAQ
MOSUL DAM
Length:
Height:
Capacity:
3.4km
113m
Between 500,000 and
1.47m people along 482km
flood path could be killed
1,052MW
Tigris River
Risk area
FLOODING
TIMELINE
RESERVOIR
Length:
Capacity:
50km
TURKEY
IRAN
IRAQ
11bn cubic metres
Flood risk zone
SYRIA
Mosul
1-4 hours
Tigris River
Baiji
Mosul
Dam
Tikrit
1-2 days
Samarra
MOSUL
Mosul: Could be
inundated by up to
21m of water within
one to four hours
of dam collapse
IRAQ
Euphrates
100km
10km
Baghdad
3-4 days
60 miles
6 miles
3
Cavities need to be filled daily
with cement grout mixture
to prevent foundations
giving way
STRUCTURAL FLAW
1
Dam built in 1980s
on water-soluble
gypsum
MOSUL
DAM
Grout
pump
Maintenance
work disrupted
after militants
from so-called
Islamic State briefly
seized dam in 2014
2
Seepage
creates cavities
beneath dam
Sources: U.S. embassy in Iraq, U.S. Army Corps of Engineers, Special Inspector General for Iraq Reconstruction (SIGIR). Picture: Google/DigitalGlobe
© GRAPHIC NEWS