-Colombia (LIC)
-Nov 13th, 1985
-5321m composite volcano
-Nazca x S. American plate
-Destructive margin
-part of Andes mountains (snow topped)
1 of 11
Nature of event
-major eruption resulting in:
-60kmph Pyroclastic flow caused flooding and loss of vegetation
-steam, ash, and pumice
-Lahar
2 of 11
Social impacts
-5000 homes destroyed
-5000 injured
-disease caused by sewage and mud mixing
-food shortages
-mud solidified at 8m deep
-location made rescue operations hard
3 of 11
Economic impacts
-60% livestock lost
-58 industrial plants lost
-$7.7 billion cost
-infrastructure such as hospitals, schools, shops, roads and power lines lost
4 of 11
Demographic impacts
-25,000 dead
-75% of Armero's population lost
5 of 11
Environmental impacts
-60kmph pyroclastic flow caused erosion
-rock and vegetation lost
6 of 11
Perception/awareness
-Colombian government did not understand the signs
-no efficient coordination/ decision making
-locals had no prior experience/preparation
-volcano had not erupted since 1895
-no support from the USA
7 of 11
Level of Vulnerability
-high levels of vulnerability;
-no monitoring for 9 months prior
-no experienced seismologists
-a hazard map was drawn a month before but was withdrawn to be checked
8 of 11
Management strategies used
-Seismographs set up 5 months before
-US scientists gave advise on management
-hazard map drawn up 1 month before
9 of 11
Level of economic development
-Low income country
-little support from other countries
10 of 11
Technology available
-4 seismographs
-no lifting equipment to rescue people in Armero
-no communications systems in place
11 of 11
Other cards in this set
Card 2
Front
-major eruption resulting in:
-60kmph Pyroclastic flow caused flooding and loss of vegetation
-steam, ash, and pumice
-Lahar
Back
Nature of event
Card 3
Front
-5000 homes destroyed
-5000 injured
-disease caused by sewage and mud mixing
-food shortages
-mud solidified at 8m deep
-location made rescue operations hard
Back
Card 4
Front
-60% livestock lost
-58 industrial plants lost
-$7.7 billion cost
-infrastructure such as hospitals, schools, shops, roads and power lines lost
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