Volcano Name VNUM Latitude Longitude Region Sub-region Volcano Type Unit name Eruption start day Eruption start month Eruption start year Year BP Date Error Dating technique Date quality Alternate values Tephra fall deposit volume Qualifier Error Alternate values Tephra fall DRE volume Qualifier Error Quality Alternate values Ignimbrite deposit volume Qualifier Error Quality Alternate values Ignimbrite DRE volume Qualifier Error Quality Alternate values Primary intra caldera deposit volume Qualifier Error Quality Alternate values Primary intra caldera DRE volume Qualifier Error Quality Alternate values Bulk deposit volume Qualifier Error Quality Alternate values Bulk DRE volume Qualifier Error Quality Alternate values Magma Type Magma Density Magnitude Qualifier Derivation Alternate values VEI Qualifier Derivation Alternate values Column height Min Column height Max Column height Average Alternate values Intensity Min Intensity Max Intensity Average Alternate values
Niijima 284020 34.39333333 139.2733333 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Lava dome(s) Mukai-yama 29 6 886 1064 Historical records High quality No .17 No .07 ? No .66 ? No .26 ? No .83 1 No .33 1 No Rhyolite 4.9 Literature No 4 + Literature Yes No No
Niijima 284020 34.39333333 139.2733333 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Lava dome(s) Wakago -1250 3200 Tephrochronology Low quality No .1 >= 0 No .04 >= 0 No Basalt 4 Literature No 4 Calculated No No No
Niijima 284020 34.39333333 139.2733333 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Lava dome(s) Niijimayama -4350 6300 Tephrochronology Low quality No .1 >= 0 No .04 >= 0 No Rhyolite 4.2 Literature No 4 Calculated No No No
Niijima 284020 34.39333333 139.2733333 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Lava dome(s) Shikinejima 12600 Not Available Low quality No .1 >= 0 No .04 >= 0 No Not Available 4.1 Literature No 4 Calculated No No No
Niijima 284020 34.39333333 139.2733333 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Lava dome(s) Miyazukayama 16000 Not Available Low quality No .1 >= 0 No .04 >= 0 No Not Available 4.2 Literature No 4 Calculated No No No
Niijima 284020 34.39333333 139.2733333 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Lava dome(s) Niijima-Awa 16000 Not Available Low quality No 1 >= 0 No .4 >= 0 No 5 Literature No 5 Calculated No No No
Niijima 284020 34.39333333 139.2733333 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Lava dome(s) Akasakinomine 17000 Not Available Low quality No .1 >= 0 No .04 >= 0 No Not Available 4.6 Literature No 4 Calculated No No No
Niijima 284020 34.39333333 139.2733333 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Lava dome(s) Mineji 26000 Not Available Low quality No .1 >= 0 No .04 >= 0 No Not Available 4.3 Literature No 4 Calculated No No No