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
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Nishiyama-7/6/5 (Ny1) 1950 Not Available Low quality No .1 >= 0 No .04 >= 0 No 4 Literature No 4 Calculated No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Mitsune 7, Mine volcanic ash layer 7 (MA7) -2050 4000 Tephrochronology Low quality No 1.2 1 No .48 1 No Basalt 5.1 Literature Yes 5 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Mine 6b, Obata -2450 4400 Tephrochronology Low quality No .3 1 No .1 1 No Not Available 4.4 Calculated Yes 4 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Mitsune 6, Mine 6a -2700 4650 100 Radiocarbon (corrected) High quality No .06 0 No .02 0 No Not Available 4 Literature Yes 3 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Mitsune 5, Mine 5 -4650 6600 Tephrochronology Low quality No 1.2 ? No .48 ? No 1.2 1 No .48 1 No Not Available 5.1 Literature Yes 5 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Miharataki (MHT) -5020 6970 Tephrochronology Low quality No .015 0 No .006 0 No 4 Literature Yes 3 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Hachimanyama 7650 Not Available Low quality No .005 0 No .002 0 No 4 Literature Yes 2 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) East Baiyun Mountain 9965 Stratigraphy Low quality No .13 No .05 0 No .13 ? No .05 ? No Not Available 4.1 Literature Yes 4 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Mitsune 4, Mine 4 -8020 9970 Tephrochronology Low quality No .3 ? No .1 ? No Not Available 4.4 Calculated Yes 4 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Mitsune 3, Mine 3 13000 Not Available Low quality No .2 0 No .08 0 No .2 ? No .08 ? No Not Available 4.3 Literature Yes 4 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Mitsune 2, Mine 2 13200 Not Available Low quality No .2 0 No .08 0 No .2 ? No .08 ? No Not Available 4.3 Literature Yes 4 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Mitsune, Mine 1 14500 Not Available Low quality No .2 0 No .08 0 No .2 ? No .08 ? No Not Available 4.3 Literature Yes 4 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Loran 15000 Not Available Low quality No .1 >= 0 No .04 >= 0 No Not Available 4 Literature No 4 Calculated No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Karatakigawa 17000 Not Available Low quality No .1 >= 0 No .04 >= 0 No Not Available 4 Literature No 4 Calculated No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) NakonoHana scoria cone 18000 Not Available Low quality No .1 >= 0 No .04 >= 0 No Not Available 4 Literature No 4 Calculated No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Nakanogo scoria cone 19800 Not Available Low quality No 1 >= 0 No .4 >= 0 No Not Available 5 Literature No 5 Calculated No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Kamikoo 22000 Not Available Low quality No .1 >= 0 No .04 >= 0 No Not Available 4 Literature No 4 Calculated No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Sueyoshi (Mihara caldera) 28000 Not Available Low quality No 1 >= 0 No .4 >= 0 No Basalt-Dacite 5.4 Literature No 5 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Sueyoshi (Mihara caldera) 28000 Not Available Low quality No 1 >= 0 No .4 >= 0 No Basalt-Dacite 5.4 Literature No 5 Literature No No No
Hachijojima 284050 33.13333333 139.7691667 Japan, Taiwan, Marianas Izu, Volcano, & Mariana Islands Stratovolcano(es) Sueyoshi (Mihara caldera) 28000 Not Available Low quality No 1 >= 0 No .4 >= 0 No Basalt-Dacite 5.4 Literature No 5 Literature No No No