| Volcano Name: | Toya | Smithsonian Inst ID (SI_VNUM): | 285030 |
| Alternate Name: |
Donkoro-yama Donkoroyama Genta-ana Gin-numa Higashi-Maruyama Ko-Usu Kompira-yama Kompirayama Konpira-yama Meiji-Shinzan Meizi-Sinzan Naka-jima Nakajima Nishi-Maruyama Nishi-yama O-Usu Ogari-yama Ogariyama Showa-Shinzan Showashinzan Syowa-Sinzan Toya Usu Usu-Shinzan Usuzan |
Volcano Type: | Stratovolcano(es) |
| Latitude: | 42.5413888900 | ||
| Longitude: | 140.8427778000 | ||
| Region: | Japan, Taiwan, Marianas | Sub Region: | Hokkaido |
| Date Entered: | 02/05/2012 |
| Eruption Start Date: | 7 /8 /1977 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.040 (Literature) | ||
| Bulk deposit volume (km3): | 0.100 (Literature) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | < 0.030 (Literature) | ||
| Tephra fall Deposit Volume (km3): | < 0.080 (Literature) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | 22/4 /1853 | 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): | 0.350 (Literature) | ||
| Magnitude : | 4.500 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.140 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.350 (Literature) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | 12/3 /1822 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.110 (Literature) | ||
| Bulk deposit volume (km3): | 0.280 (Literature) | ||
| Magnitude : | 4.400 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.110 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.280 (Literature) |
| Magma: | Dacite-Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite | |||
| Rhyolite |
| Eruption Start Date: | 23/1 /1769 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.040 (Literature) | ||
| Bulk deposit volume (km3): | 0.110 (Literature) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.040 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.110 (Literature) |
| Magma: | Dacite-Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite | |||
| Rhyolite |
| Eruption Start Date: | 16/8 /1663 | Date Error: | ||
| Eruption End Date: | 5 /9 /1663 | Dating Technique: | Historical records | |
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 1.100 (Literature) | ||
| Bulk deposit volume (km3): | 2.780 (Literature) | ||
| Ignimbrite DRE Volume (km3): | > 0.240 (Literature) | ||
| Ignimbrite Deposit Volume : | > 0.600 (Literature) | ||
| Magnitude : | 5.400 (Literature) | ||
| Maximum VEI : | 5.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | < 0.870 (Literature) | ||
| Tephra fall Deposit Volume (km3): | < 2.180 (Literature) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Eruption Start Date: | 10000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Stratigraphy | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.800 (Calculated) | ||
| Bulk deposit volume (km3): | 2.000 (Literature) | ||
| Magnitude : | 5.300 (Calculated) | ||
| Maximum VEI : | 5.000 (Calculated) | ||
| Tephra fall DRE Volume (km3): | 0.800 (Calculated) | ||
| Tephra fall Deposit Volume (km3): | 2.000 (Literature) |
| Magma: | Basalt-Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Basalt | |||
| Andesite | |||
| Dacite | |||
| Rhyolite |
| Eruption Start Date: | 48000 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: | 50000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Stratigraphy | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.800 (Calculated) | ||
| Bulk deposit volume (km3): | 2.000 (Literature) | ||
| Magnitude : | 5.300 (Calculated) | ||
| Maximum VEI : | 5.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.800 (Calculated) | ||
| Tephra fall Deposit Volume (km3): | 2.000 (Literature) |
| Magma: | Andesite-Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Andesite | |||
| Dacite | |||
| (Minor/less than 10%) Basalt |
| Eruption Start Date: | 53500 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: | 108000 BP | Date Error: | 19000 | |
| Eruption End Date: | Dating Technique: | U-Th series | ||
| Eruption Date Quality: | Medium quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 74.000 (Calculated) | ||
| Bulk deposit volume (km3): | 170.000 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 8.700 (Calculated) | ||
| Ignimbrite Deposit Volume : | 20.000 (Literature) | ||
| Magnitude : | 7.300 (Calculated) | ||
| Maximum VEI : | 7.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 65.200 (Calculated) | ||
| Tephra fall Deposit Volume (km3): | 150.000 (Literature) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Magma: | Dacite-Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite | |||
| (Minor/less than 10%) Dacite |