Volcano Name: Rishirizan Smithsonian Inst ID (SI_VNUM): 285041
Alternate Name:
Rishiri
Risiri
Volcano Type: Stratovolcano(es)
Latitude: 45.1833333300
Longitude: 141.2500000000
Region: Japan, Taiwan, Marianas Sub Region: Hokkaido
Date Entered: 02/05/2012

Eruption Details

Eruption Start Date: 21500 BP Date Error: 2500
Eruption End Date: Dating Technique: Stratigraphy
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 1.900 (Calculated)
Bulk deposit volume (km3): 5.000 (Literature)
Magnitude : 5.700 (Calculated)
Maximum VEI : 5.000 (Calculated)
Magma: Basalt
Calculated Density:
Rock Classification:
Basalt
Eruption Start Date: 24000 BP Date Error:
Eruption End Date: Dating Technique: Thermoluminescence
Eruption Date Quality: Low quality Preferred Date: Y
Bulk DRE Volume (km3): 0.700 (Calculated)
Bulk deposit volume (km3): 1.700 (Literature)
Magnitude : 5.200 (Calculated)
Maximum VEI : 5.000 (Calculated)
Magma: Basalt-Dacite
Calculated Density:
Rock Classification:
Basalt
Dacite
Eruption Start Date: 85000 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 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 89000 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 (Literature)
Maximum VEI : 5.000 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite
Eruption Start Date: 100000 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 (Calculated)
Magma: Andesite
Calculated Density:
Rock Classification:
Andesite

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