WJEC GCE Geology GL3 1213-01
WJEC 2014 Online Exam Review GCE Geology GL3 1213-01 All Candidates' performance across questions
Question Title 1 2 3 4 5
N 1649 1649 500 558 590
Mean 7.6 6.8 13 16.5 14
SD 2.2 2.6 5.3 4.4 4.7
Max Mark 12 13 25 25 25
FF 63.5 52.4 51.9 66 56.1
Attempt % 100 100 30.3 33.8 35.8
GCE Geology GL3 1213-01 5
56.1
Question
4
66
3
51.9
2
52.4
1
63.5 0
10
20
30
40
50
60
Facility Factor %
70
80
90
100
1aii 1bii 1cii 2ai 2aii
2c
3 1.
Figure 1a is a map showing the epicentres of Mexican earthquakes leading up to the 8.1 magnitude earthquake of 19 September 1985. Figures 1b and 1c show data on damage related to the 1985 Mexican earthquake. 1948
N
1932 1921
1911
Epicentre of 19 September 1985
1932 1973
1932
Pacific Ocean
0
Gulf of Mexico
NORTH AMERICAN PLATE 1900
100
Examiner only
1941
Cen tral
1979 1943
Am
COCOS PLATE
eric an T renc h
1907 1909/1911
Mexico City
(built on a former lake bed composed of Tacubaya clay which shook violently during the 1985 earthquake)
1962
1937
1967 1956 1957
1968 1928 1978
1928 1931
1965 1928
1937
epicentres of 20th century Mexican earthquakes (greater than 7.75 magnitude)
trench
12 13 010 0 03
km limits of seismic activity before 1985
Figure 1a (a) Refer to Figure 1a. (i) Explain why earthquakes are frequent in the region shown on Figure 1a. [2]
© WJEC CBAC Ltd.
(1213-01)
Turn over.
12
3 Examiner only
Average number of damaged buildings per km2
100 80 60 40 20 0 22
30 38 46 Thickness of Tacubaya clay (m) Figure 1b
(b) Refer to Figure 1b.
Explain why the damage caused by the earthquake varied with the thickness of the clay. [2] 12 13 010 0 03
(ii)
© WJEC CBAC Ltd.
(1213-01)
Turn over.
12
% Observed buildings damaged
80
60
40
20
0
Question Title 1 2 3 4 5
N 1649 1649 500 558 590
Mean 7.6 6.8 13 16.5 14
SD 2.2 2.6 5.3 4.4 4.7
Max Mark 12 13 25 25 25
FF 63.5 52.4 51.9 66 56.1
Attempt % 100 100 30.3 33.8 35.8
GCE Geology GL3 1213-01 5
56.1
Question
4
66
3
51.9
2
52.4
1
63.5 0
10
20
30
40
50
60
Facility Factor %
70
80
90
100
1aii 1bii 1cii 2ai 2aii
2c
3 1.
Figure 1a is a map showing the epicentres of Mexican earthquakes leading up to the 8.1 magnitude earthquake of 19 September 1985. Figures 1b and 1c show data on damage related to the 1985 Mexican earthquake. 1948
N
1932 1921
1911
Epicentre of 19 September 1985
1932 1973
1932
Pacific Ocean
0
Gulf of Mexico
NORTH AMERICAN PLATE 1900
100
Examiner only
1941
Cen tral
1979 1943
Am
COCOS PLATE
eric an T renc h
1907 1909/1911
Mexico City
(built on a former lake bed composed of Tacubaya clay which shook violently during the 1985 earthquake)
1962
1937
1967 1956 1957
1968 1928 1978
1928 1931
1965 1928
1937
epicentres of 20th century Mexican earthquakes (greater than 7.75 magnitude)
trench
12 13 010 0 03
km limits of seismic activity before 1985
Figure 1a (a) Refer to Figure 1a. (i) Explain why earthquakes are frequent in the region shown on Figure 1a. [2]
© WJEC CBAC Ltd.
(1213-01)
Turn over.
12
3 Examiner only
Average number of damaged buildings per km2
100 80 60 40 20 0 22
30 38 46 Thickness of Tacubaya clay (m) Figure 1b
(b) Refer to Figure 1b.
Explain why the damage caused by the earthquake varied with the thickness of the clay. [2] 12 13 010 0 03
(ii)
© WJEC CBAC Ltd.
(1213-01)
Turn over.
12
% Observed buildings damaged
80
60
40
20
0
