Volcano Name: Asosan Smithsonian Inst ID (SI_VNUM): 282110
Alternate Name:
Akai
Akamizu
Aso
Aso-Uchinomaki
Eboshi-dake
Eboshidake
Hontsuka
Ikenokubo
Janoo
Jigoku
Jigoku Spa
Kishima-dake
Kishimadake
Kizima-dake
Kometsuka
Komezuka
Kusenrigahama
Maru-yama
Maruyama
Naka-dake
Narao-dake
Naraodake
Neko-dake
Nekodake
Ojo-dake
Ojodake
Okamado-yama
Okamadoyama
Omine
Ozyo-dake
Taka-dake
Takadake
Takanoobane
Tarutama
Washigamine
Yomine-yama
Yomineyama
Yunotani
Yunotani
Zyanoo
Volcano Type: Caldera(s)
Latitude: 32.8808333300
Longitude: 131.1063889000
Region: Japan, Taiwan, Marianas Sub Region: Ryukyu Islands & Kyushu
Date Entered: 02/05/2012

Eruption Details

Eruption Start Date: 950 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.040 (Assumed)
Bulk deposit volume (km3): >= 0.100 (Assumed)
Magnitude : 4.900 (Literature)
Maximum VEI : 4.000 (Calculated)
Eruption Start Date: 3650 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.300 (Literature)
Maximum VEI : 3.000 (Literature)
Eruption Start Date: 4050 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.100 (Literature)
Maximum VEI : 5.000 (Calculated)
Eruption Start Date: 5850 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.040 (Assumed)
Bulk deposit volume (km3): >= 0.100 (Assumed)
Magnitude : 4.700 (Literature)
Maximum VEI : 4.000 (Calculated)
Eruption Start Date: 8050 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.100 (Literature)
Maximum VEI : 5.000 (Calculated)
Eruption Start Date: 9250 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.040 (Assumed)
Bulk deposit volume (km3): >= 0.100 (Assumed)
Magnitude : 4.700 (Literature)
Maximum VEI : 4.000 (Calculated)
Eruption Start Date: 9750 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.200 (Literature)
Maximum VEI : 5.000 (Calculated)
Eruption Start Date: 10300 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.040 (Assumed)
Bulk deposit volume (km3): >= 0.100 (Assumed)
Magnitude : 4.400 (Literature)
Maximum VEI : 4.000 (Calculated)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 10800 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.040 (Assumed)
Bulk deposit volume (km3): >= 0.100 (Assumed)
Magnitude : 4.000 (Literature)
Maximum VEI : 4.000 (Calculated)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 21500 BP Date Error: 500
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.080 (Calculated)
Bulk deposit volume (km3): 0.210 (Literature)
Magnitude : 4.300 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 21500 BP Date Error: 500
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.150 (Calculated)
Bulk deposit volume (km3): 0.380 (Literature)
Magnitude : 4.600 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 21500 BP Date Error: 500
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.360 (Calculated)
Bulk deposit volume (km3): 0.900 (Literature)
Magnitude : 5.000 (Calculated)
Maximum VEI : 5.000 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 30000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 1.100 (Literature)
Bulk deposit volume (km3): 2.390 (Literature)
Magnitude : 5.400 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Dacite
Calculated Density:
Rock Classification:
Dacite
Eruption Start Date: 31000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.100 (Calculated)
Bulk deposit volume (km3): 0.230 (Literature)
Magnitude : 4.400 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Dacite
Calculated Density:
Rock Classification:
Dacite
Eruption Start Date: 40000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.200 (Calculated)
Bulk deposit volume (km3): 0.490 (Literature)
Magnitude : 4.700 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 50000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.150 (Calculated)
Bulk deposit volume (km3): 0.370 (Literature)
Magnitude : 4.600 (Calculated)
Maximum VEI : 4.000 (Calculated)
Eruption Start Date: 51000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.180 (Calculated)
Bulk deposit volume (km3): 0.430 (Literature)
Magnitude : 4.600 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Dacite
Calculated Density:
Rock Classification:
Dacite
Eruption Start Date: 55000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.110 (Calculated)
Bulk deposit volume (km3): 0.300 (Literature)
Magnitude : 4.500 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Basalt
Calculated Density:
Rock Classification:
Basalt
Eruption Start Date: 55000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.220 (Calculated)
Bulk deposit volume (km3): 0.550 (Literature)
Magnitude : 4.700 (Calculated)
Maximum VEI : 4.000 (Calculated)
Eruption Start Date: 55000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.080 (Calculated)
Bulk deposit volume (km3): 0.220 (Literature)
Magnitude : 4.300 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Basalt
Calculated Density:
Rock Classification:
Basalt
Eruption Start Date: 55000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.060 (Calculated)
Bulk deposit volume (km3): 0.150 (Literature)
Magnitude : 4.200 (Calculated)
Maximum VEI : 4.000 (Calculated)
Eruption Start Date: 58000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.080 (Calculated)
Bulk deposit volume (km3): 0.210 (Literature)
Magnitude : 4.300 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Basalt
Calculated Density:
Rock Classification:
Basalt
Eruption Start Date: 58000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.090 (Calculated)
Bulk deposit volume (km3): 0.230 (Literature)
Magnitude : 4.400 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Basalt
Calculated Density:
Rock Classification:
Basalt
Eruption Start Date: 60000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.090 (Calculated)
Bulk deposit volume (km3): 0.210 (Literature)
Magnitude : 4.300 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Dacite
Calculated Density:
Rock Classification:
Dacite
Eruption Start Date: 60000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.090 (Calculated)
Bulk deposit volume (km3): 0.250 (Literature)
Magnitude : 4.400 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Basalt
Calculated Density:
Rock Classification:
Basalt
Eruption Start Date: 62000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.060 (Calculated)
Bulk deposit volume (km3): 0.140 (Literature)
Magnitude : 4.100 (Calculated)
Maximum VEI : 4.000 (Calculated)
Eruption Start Date: 62000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.480 (Calculated)
Bulk deposit volume (km3): 1.190 (Literature)
Magnitude : 5.100 (Calculated)
Maximum VEI : 5.000 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 63000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.040 (Calculated)
Bulk deposit volume (km3): 0.110 (Literature)
Magnitude : 4.000 (Calculated)
Maximum VEI : 4.000 (Calculated)
Eruption Start Date: 64000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.050 (Calculated)
Bulk deposit volume (km3): 0.130 (Literature)
Magnitude : 4.100 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 65000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.060 (Calculated)
Bulk deposit volume (km3): 0.140 (Literature)
Magnitude : 4.100 (Calculated)
Maximum VEI : 4.000 (Calculated)
Eruption Start Date: 66000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.050 (Calculated)
Bulk deposit volume (km3): 0.120 (Literature)
Magnitude : 4.100 (Calculated)
Maximum VEI : 4.000 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 67500 BP Date Error: 500
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 1.620 (Calculated)
Bulk deposit volume (km3): 4.050 (Literature)
Magnitude : 5.600 (Calculated)
Maximum VEI : 5.000 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 84000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.400 (Calculated)
Bulk deposit volume (km3): 1.000 (Literature)
Magnitude : 5.000 (Calculated)
Maximum VEI : 5.000 (Literature)
Eruption Start Date: 87000 BP Date Error: 7080
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): > 200.000 (Literature)
Bulk deposit volume (km3): > 600.000 (Literature)
Ignimbrite DRE Volume (km3): 166.000 (Calculated)
Ignimbrite Deposit Volume : > 400.000 (Literature)
Magnitude : > 7.700 (Calculated)
Maximum VEI : 7.000 (Literature)
Magma: Dacite
Calculated Density:
Rock Classification:
Dacite
Magma: Dacite-Rhyolite
Calculated Density:
Rock Classification:
Rhyolite
Dacite
Magma: Rhyolite
Calculated Density:
Rock Classification:
Rhyolite
Eruption Start Date: 93000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.040 (Assumed)
Bulk deposit volume (km3): >= 0.100 (Assumed)
Magnitude : 4.000 (Literature)
Maximum VEI : 4.000 (Calculated)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 96000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.900 (Literature)
Maximum VEI : 6.000 (Literature)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 110000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.000 (Literature)
Maximum VEI : 5.000 (Literature)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 121000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.040 (Assumed)
Bulk deposit volume (km3): >= 0.100 (Assumed)
Magnitude : 4.700 (Literature)
Maximum VEI : 4.000 (Calculated)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 123000 BP Date Error: 6000
Eruption End Date: Dating Technique: K Ar
Eruption Date Quality: Medium quality Preferred Date: Y
Bulk DRE Volume (km3): 100.000 (Literature)
Bulk deposit volume (km3): > 150.000 (Literature)
Magnitude : 7.400 (Calculated)
Maximum VEI : 7.000 (Literature)
Magma: Andesite-Dacite
Calculated Density:
Rock Classification:
Dacite
Andesite
Eruption Start Date: 130000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 4.000 (Assumed)
Bulk deposit volume (km3): >= 10.000 (Assumed)
Magnitude : 6.000 (Literature)
Maximum VEI : ? 6.000 (Literature)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 133000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.000 (Literature)
Maximum VEI : ? 5.000 (Literature)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 141000 BP Date Error: 5000
Eruption End Date: Dating Technique: K Ar
Eruption Date Quality: Medium quality Preferred Date: Y
Bulk DRE Volume (km3): 21.700 (Calculated)
Bulk deposit volume (km3): 50.000 (Literature)
Magnitude : 6.700 (Calculated)
Maximum VEI : 6.000 (Literature)
Magma: Andesite-Rhyolite
Calculated Density:
Rock Classification:
Rhyolite
Andesite
Eruption Start Date: 143000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.600 (Literature)
Maximum VEI : 5.000 (Calculated)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 263000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 40.000 (Assumed)
Bulk deposit volume (km3): >= 100.000 (Assumed)
Magnitude : 7.000 (Literature)
Maximum VEI : 7.000 (Calculated)
Magma: Not Available
Calculated Density:
Rock Classification:
Eruption Start Date: 270900 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 21.700 (Calculated)
Bulk deposit volume (km3): 50.000 (Literature)
Magnitude : 6.700 (Calculated)
Maximum VEI : <= 8.000 (Literature)
Magma: Dacite
Calculated Density:
Rock Classification:
Dacite
Eruption Start Date: 273400 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 40.000 (Assumed)
Bulk deposit volume (km3): >= 100.000 (Assumed)
Magnitude : 7.000 (Literature)
Maximum VEI : 7.000 (Calculated)
Magma: Not Available
Calculated Density:
Rock Classification:

Data downloads

Alternate Property downloads