Volcano Name: Komaga-take Smithsonian Inst ID (SI_VNUM): 285020
Alternate Name:
Ansei
Da'enkei
Hisagogata
Hokkaido-Komagatake
Kayabenobori
Mayugata
Oshidashizawa
Oshima-Fuji
Sawara-dake
Uchiura-dake
Utiura-dake
Volcano Type: Stratovolcano(es)
Latitude: 42.0608333300
Longitude: 140.6808333000
Region: Japan, Taiwan, Marianas Sub Region: Hokkaido
Date Entered: 02/05/2012

Eruption Details

Eruption Start Date: 17/6 /1929 Date Error:
Eruption End Date: Dating Technique: Historical records
Eruption Date Quality: High quality Preferred Date: Y
Bulk DRE Volume (km3): 0.140 (Literature)
Bulk deposit volume (km3): 0.342 (Literature)
Ignimbrite DRE Volume (km3): 0.060 (Literature)
Ignimbrite Deposit Volume : 0.145 (Literature)
Magnitude : 4.500 (Literature)
Maximum Column Height (km): 13.900 (Literature)
Maximum Intensity : 9.940 (Calculated)
Maximum VEI : 4.000 (Literature)
Tephra fall DRE Volume (km3): 0.080 (Literature)
Tephra fall Deposit Volume (km3): 0.197 (Literature)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 25/9 /1856 Date Error:
Eruption End Date: Dating Technique: Historical records
Eruption Date Quality: High quality Preferred Date: Y
Bulk DRE Volume (km3): 0.080 (Literature)
Bulk deposit volume (km3): 0.210 (Literature)
Ignimbrite DRE Volume (km3): 0.040 (Literature)
Ignimbrite Deposit Volume : 0.100 (Literature)
Magnitude : 4.300 (Literature)
Maximum VEI : 4.000 (Literature)
Tephra fall DRE Volume (km3): 0.040 (Literature)
Tephra fall Deposit Volume (km3): 0.110 (Literature)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 4 /7 /1694 Date Error:
Eruption End Date: Dating Technique: Historical records
Eruption Date Quality: High quality Preferred Date: Y
Bulk DRE Volume (km3): 0.140 (Literature)
Bulk deposit volume (km3): 0.360 (Literature)
Ignimbrite DRE Volume (km3): 0.040 (Literature)
Ignimbrite Deposit Volume : 0.100 (Literature)
Magnitude : 4.600 (Literature)
Maximum VEI : 4.000 (Literature)
Tephra fall DRE Volume (km3): 0.100 (Literature)
Tephra fall Deposit Volume (km3): 0.260 (Literature)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 31/7 /1640 Date Error:
Eruption End Date: Dating Technique: Historical records
Eruption Date Quality: High quality Preferred Date: Y
Bulk DRE Volume (km3): 1.100 (Literature)
Bulk deposit volume (km3): 2.900 (Literature)
Ignimbrite DRE Volume (km3): 0.200 (Literature)
Ignimbrite Deposit Volume : 0.600 (Literature)
Magnitude : 5.500 (Literature)
Maximum VEI : 5.000 (Literature)
Tephra fall DRE Volume (km3): 0.900 (Literature)
Tephra fall Deposit Volume (km3): 2.300 (Literature)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: -4350 Date Error:
Eruption End Date: Dating Technique: Radiocarbon (corrected)
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.300 (Literature)
Bulk deposit volume (km3): 1.000 (Literature)
Magnitude : 4.900 (Literature)
Maximum VEI : 5.000 (Literature)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 6450 BP Date Error: 1000
Eruption End Date: Dating Technique: Radiocarbon (corrected)
Eruption Date Quality: No information Preferred Date: Y
Bulk DRE Volume (km3): 0.050 (Literature)
Bulk deposit volume (km3): 0.100 (Literature)
Ignimbrite DRE Volume (km3): 0.050 (Literature)
Ignimbrite Deposit Volume : 0.100 (Literature)
Magnitude : 4.100 (Literature)
Maximum VEI : 4.000 (Literature)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 6450 BP Date Error: 1000
Eruption End Date: Dating Technique: Radiocarbon (corrected)
Eruption Date Quality: No information Preferred Date: Y
Bulk DRE Volume (km3): 0.050 (Literature)
Bulk deposit volume (km3): 0.100 (Literature)
Ignimbrite DRE Volume (km3): 0.050 (Literature)
Ignimbrite Deposit Volume : 0.100 (Literature)
Magnitude : 4.100 (Literature)
Maximum VEI : 4.000 (Literature)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: -4600 Date Error: 50
Eruption End Date: Dating Technique: Radiocarbon (corrected)
Eruption Date Quality: Medium quality Preferred Date: Y
Bulk DRE Volume (km3): 1.200 (Literature)
Bulk deposit volume (km3): 3.000 (Literature)
Magnitude : 5.500 (Literature)
Maximum VEI : 5.000 (Literature)
Tephra fall DRE Volume (km3): 1.200 (Literature)
Tephra fall Deposit Volume (km3): 3.000 (Literature)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 12800 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: No information 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)
Eruption Start Date: 18000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: No information 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)
Eruption Start Date: 18000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: No information 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)
Eruption Start Date: 18000 BP Date Error:
Eruption End Date: Dating Technique: Radiocarbon and 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: 20000 BP Date Error:
Eruption End Date: Dating Technique: Not Available
Eruption Date Quality: No information 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 (Calculated)
Eruption Start Date: 20065 BP Date Error: 463
Eruption End Date: Dating Technique: Radiocarbon (corrected)
Eruption Date Quality: Not Entered Preferred Date: Y
C14 Date: 17030 C14 Date Error: 270
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: 36565 BP Date Error: 278
Eruption End Date: Dating Technique: Radiocarbon (corrected)
Eruption Date Quality: Not Entered 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:

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