Heimaey Island Flashcards
date of heimaey
23/11/73
Brief background of what happened
a fissure opened on the east side of the island which was 1 km from the town centre, the fissure quickly expanded to 300m to a total length of 2km
What type of margin did this occur at
constructive
How high where the lava spikes along the fissure
50m-150m
Where was activity concentrated
on one vent 0.8km from the north of the town
How long did the eruption last
26 days
How did the lava travel
the lava travelled slowly towards the town and the harbour in slow moving lava deltas
How many residents had to be evacuated and as a result were temporarily displaced
5,300
How many were killed
0
How many buildings destroyed
300
How much of the town was destroyed
1/3
What was the major concern in terms of economic impact
The lava flow was heading towards the fishing port which the town heavily relied on for income and employment, however as a result of the lava flow which was diverted there ended up being an improvement as the solidified lava provided protection against wind and waves
How much total damage was there
$3.6 billion which is relatively low
Who organised the evacuation of the 5,300 residents?
Civil Defence Organisation
Was there any warning?
no, the volcano had been dormant for over 500 years