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Tectonics
1.5 Tectonic hazard profiles
1.5B Hazard profiles
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Jonty
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Cards (3)
Hazards with the following characteristics present the highest risk:
high
magnitude
, low frequency events - these are the least 'expected' as, by definition, they are unlikely to have occurred in living memory
rapid onset events with low
spatial
predictability - they could occur in numerous places and without warning
regional
areal
extent - affecting large numbers of people in a wide range of locations
Hazard profile
Spearmans'
rank
equation =
P
=
P =
P
=
1
−
6
∑
𝑑
2
i
/
𝑛
(
𝑛
2
−
1
)
1 − 6 ∑ 𝑑^2i/ 𝑛 ( 𝑛^2 − 1 )
1
−
6
∑
d
2
i
/
n
(
n
2
−
1
)