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Table 4 The areas experiencing each thickness of ash fall in the repeat Tambora 1815 scenario eruption. Areas covered below 10 mm are given for illustrative purposes as these areas would still sustain large disruptions as the result of ash fall

From: Estimating building vulnerability to volcanic ash fall for insurance and other purposes

Ask Thickness (mm)

Land Coverange Area (sqkm)

1–2

236,353

2–4

362,026

4–7

318,945

7–10

178,769

10–20

58,155

20–30

58,042

35–50

14,254

50–70

11,479

70–120

7,918

120–200

6,690

200–350

11,456

350–500

9,738

500–750

3,315

750–1000

961

1000

765