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Table 2 Sub-region record of completeness (total number of eruptions included in each sub-region)

From: Probabilistic Volcanic Ash Hazard Analysis (PVAHA) II: assessment of the Asia-Pacific region using VAPAH

Sub-region

Record of Completeness (ROC) for VEI 3 and smaller in years BP

Number of eruptions in for VEI 3 and smaller

Record of Completeness (ROC) for VEI 4 and larger in years BP

Number of eruptions in for VEI 4 and larger

Total number of eruptions in sub-region selection

Within ROC

Total

Within ROC

Total

Within ROC

Total

A - PNG, Vanuatu, Solomon Islands, Australia

165

324

345

1550

23

30

347

375

B - Philippines, Southeast Asia

188

138

164

264

14

16

152

180

C - Japan, Taiwan

502

828

1073

3133

70

112

898

1185

D - Indonesia

240

1090

1198

420

28

34

1118

1232

E - New Zealand, Samoa, Tonga, Fiji

220

222

277

7075

31

41

253

318

F – Russia, China, Mongolia, Korea

363

436

585

11,513 (whole record)

122

122

558

707