Table 2. Percent of Seattle encompassed by each annual exceedance probability value. Total land area encompassed by Seattle is 215,443,947 m2 (21,544 hectares). Parentheses are exclusive and brackets are inclusive. For example, (2.2,6.6] means all values greater than 2.2 and less than or equal to 6.6.

Annual Exceedance Probability (percent chance in any given year)

Area

( m2)

Area (hectares)

Percent of Entire Land Area of Seattle

(2.2, 6.6]

6,446,525.27

644.65

2.992

(6.6, 10.7]

1,190,180.10

119.02

0.552

(10.7, 14.7]

421,820.28

42.18

0.196

(14.7, 18.4]

101,195.37

10.12

0.047

(18.4, 22.0]

29,598.52

2.96

0.014

(22.0, 25.5]

6,932.52

0.69

0.003

 

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