Volcanoes in iceland

Question 1

Date

Answer 1

22 January 1973

Question 2

what happened at 10pm

Answer 2

Began to experience a series of weak earthquakes

Question 3

at 2am what happened

Answer 3

report that volcanic eruption started near Kirkjubaer

Question 4

how big was the crack

Answer 4

1600 meters

Question 5

What is the volcano now called

Answer 5

Eldfell

Question 6

How did they warn people

Answer 6

Fire alarm to wake up people

Question 7

Town cities response

Answer 7

evacuate the whole population of the island

Question 8

When did the first fishing boat leave

Answer 8

2.30am

Question 9

how many people evacuated by air

Answer 9

300

Question 10

How many people were evacuated altogether

Answer 10

5000

Question 11

How thick was the lava and ash that covered buildings on the eastern side of the town and what was the result

Answer 11

4 m many houses collapsed under wieght

Question 12

what was the danger and when

Answer 12

6 feb, harbour entrance being blocked

Question 13

What did the fire brigade do

Answer 13

pumped water to cool lava

Question 14

What did they do to try stop lava from reaching houses

Answer 14

Bulldozers used to build dam to stop lava

Question 15

What was the problem with the lava

Answer 15

It was travelling at 40 m per hr and went right over dam

Question 16

what was the condition by 25 March

Answer 16

It had buried or burnt 111 houses

Question 17

However what happened on 26 March

Answer 17

The lava cooled and did not reach harbour so cooling had worked

Question 18

When was eruption over

Answer 18

3 July

Question 19

Composition of material released

Answer 19

10% ash and pumice the rest was lava

Question 20

How did the Eldfell volcano change

Answer 20

It went from nothing to 225 m above sea level

Question 21

How much did the land area increase by

Answer 21

2.5 km (square)

Question 22

What was the new land used for

Answer 22

Extra shelter from rough seas

Question 23

Effects of houses

Answer 23

1/3 of housed destroyed and 1/3 damaged

Question 24

What was don by 1975

Answer 24

Most of ash cleared and moved to new lava field,. where it was used to make roads enlarge airstrip and make foundations for new houses,.

Question 25

how many people came back after eruption

Answer 25

3500 out of 5300

Question 26

What is the new population

Answer 26

about 5000

Question 27

what hung over the town

Answer 27

a large dark cloud

Question 28

What was the first warning of the eruption

Answer 28

the storms during the day that kept boats in

Question 29

Causes

Answer 29

Constructive plate margin, North American plate moving away from Eurasian plate