Volcano Name: Akan Smithsonian Inst ID (SI_VNUM): 285070
Alternate Name:
Akan-Fuji
Akan-Huzi
Akan-Kohan
Fuppushi
Furebetsu
Futatsu-dake
Higashi-dake
Higasi-dake
Huppusi
Hurebetu
Kenga-mine
Kita-yama
Kobu-yama
Me-Akan
Minami-dake
Nakamachineshiri
Nakamatineshiri
Nishi-yama
Nisi-yama
O-Akan
Ponmachineshiri
Ponmatinesiri
Volcano Type: Caldera(s)
Latitude: 43.3841666700
Longitude: 144.0127778000
Region: Japan, Taiwan, Marianas Sub Region: Hokkaido
Date Entered: 02/05/2012

Eruption Details

Eruption Start Date: -50 Date Error:
Eruption End Date: Dating Technique: Radiocarbon (corrected)
Eruption Date Quality: Not Entered Preferred Date: Y
Bulk DRE Volume (km3): 0.400 (Calculated)
Bulk deposit volume (km3): 1.000 (Literature)
Magnitude : 4.300 (Literature)
Maximum VEI : 4.000 (Calculated)
Magma: Basalt-Andesite
Calculated Density:
Rock Classification:
Basalt
Andesite
Eruption Start Date: 9000 BP Date Error:
Eruption End Date: Dating Technique: Radiocarbon and stratigraphy
Eruption Date Quality: No information Preferred Date: Y
Bulk DRE Volume (km3): 0.040 (Literature)
Bulk deposit volume (km3): 0.100 (Literature)
Ignimbrite DRE Volume (km3): 0.040 (Literature)
Ignimbrite Deposit Volume : 0.100 (Literature)
Magnitude : 4.000 (Literature)
Maximum VEI : 4.000 (Literature)
Magma: Andesite-Dacite
Calculated Density:
Rock Classification:
Andesite
Dacite
Eruption Start Date: 13000 BP Date Error:
Eruption End Date: Dating Technique: Radiocarbon and stratigraphy
Eruption Date Quality: Not Entered Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.300 (Literature)
Maximum VEI : 5.000 (Literature)
Eruption Start Date: 170000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 200000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 500000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 570000 BP Date Error: 40000
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 43.000 (Calculated)
Bulk deposit volume (km3): 100.000 (Literature)
Ignimbrite DRE Volume (km3): 43.480 (Calculated)
Ignimbrite Deposit Volume : 100.000 (Literature)
Magnitude : 7.000 (Calculated)
Maximum VEI : 7.000 (Literature)
Magma: Dacite-Rhyolite
Calculated Density:
Rock Classification:
Rhyolite
(Minor/less than 10%) Dacite
Eruption Start Date: 600000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 650000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 750000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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 (Literature)
Eruption Start Date: 800000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.800 (Literature)
Maximum VEI : 5.000 (Literature)
Eruption Start Date: 900000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 950000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 1050000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 1100000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): >= 0.400 (Assumed)
Bulk deposit volume (km3): >= 1.000 (Assumed)
Magnitude : 5.500 (Literature)
Maximum VEI : 5.000 (Literature)
Eruption Start Date: 1150000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 1200000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 1250000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 1300000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 1350000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)
Eruption Start Date: 1400000 BP Date Error:
Eruption End Date: Dating Technique: Stratigraphy
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)

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