| Volcano Name: | Towada | Smithsonian Inst ID (SI_VNUM): | 283271 |
| Alternate Name: |
Aobuna Gomon-ishi Goshikiiwa Hakka Herai-dake Nakanoumi Ninokura Ogura-yama Ohanabe-yama Oirase Towada-ko Towada-yama Towari-yama Zakura Misaka |
Volcano Type: | Caldera(s) |
| Latitude: | 40.4666666700 | ||
| Longitude: | 140.9166667000 | ||
| Region: | Japan, Taiwan, Marianas | Sub Region: | Honshu |
| Date Entered: | 02/05/2012 |
| Eruption Start Date: | 17/8 /915 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 2.050 (Literature) | ||
| Bulk deposit volume (km3): | 6.540 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 1.800 (Literature) | ||
| Ignimbrite Deposit Volume : | 5.700 (Literature) | ||
| Magnitude : | 5.700 (Literature) | ||
| Maximum Column Height (km): | 30.000 (Literature) | ||
| Maximum Intensity : | 11.000 (Eruption Rate) | ||
| Maximum VEI : | 5.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.250 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.840 (Literature) |
| Magma: | Dacite-Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite | |||
| Rhyolite |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | -750 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.350 (Literature) | ||
| Bulk deposit volume (km3): | 0.840 (Literature) | ||
| Magnitude : | 4.900 (Literature) | ||
| Maximum Column Height (km): | 19.000 (Literature) | ||
| Maximum Intensity : | 10.280 (Eruption Rate) | ||
| Maximum VEI : | + 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.350 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.840 (Literature) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | -4150 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 2.500 (Literature) | ||
| Bulk deposit volume (km3): | 9.200 (Literature) | ||
| Magnitude : | 5.800 (Literature) | ||
| Maximum Column Height (km): | 29.000 (Literature) | ||
| Maximum Intensity : | 10.980 (Eruption Rate) | ||
| Maximum VEI : | 5.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 2.500 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 9.200 (Literature) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | -5550 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.290 (Literature) | ||
| Bulk deposit volume (km3): | 0.390 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 0.190 (Literature) | ||
| Ignimbrite Deposit Volume : | 0.230 (Literature) | ||
| Magnitude : | 4.900 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.100 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.160 (Literature) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | -6250 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.160 (Literature) | ||
| Bulk deposit volume (km3): | 0.470 (Literature) | ||
| Magnitude : | 4.600 (Literature) | ||
| Maximum Column Height (km): | 16.000 (Literature) | ||
| Maximum Intensity : | 9.950 (Eruption Rate) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.160 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.470 (Literature) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | -7250 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.540 (Literature) | ||
| Bulk deposit volume (km3): | 2.500 (Literature) | ||
| Magnitude : | 5.100 (Literature) | ||
| Maximum Column Height (km): | 25.000 (Literature) | ||
| Maximum Intensity : | 10.780 (Eruption Rate) | ||
| Maximum VEI : | ? 5.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.540 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 2.500 (Literature) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | -8250 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.370 (Literature) | ||
| Bulk deposit volume (km3): | 1.300 (Literature) | ||
| Magnitude : | 5.000 (Literature) | ||
| Maximum Column Height (km): | 23.000 (Literature) | ||
| Maximum Intensity : | 10.550 (Eruption Rate) | ||
| Maximum VEI : | 5.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.370 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 1.300 (Literature) |
| Magma: | Andesite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Andesite |
| Eruption Start Date: | -9490 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.100 (Literature) | ||
| Bulk deposit volume (km3): | 0.240 (Calculated) | ||
| Magnitude : | 4.400 (Literature) | ||
| Maximum Column Height (km): | 12.000 (Literature) | ||
| Maximum Intensity : | 9.200 (Eruption Rate) | ||
| Maximum VEI : | 3.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.100 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.240 (Calculated) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | 14000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 20.830 (Calculated) | ||
| Bulk deposit volume (km3): | 50.000 (Literature) | ||
| Magnitude : | 6.700 (Calculated) | ||
| Maximum VEI : | 5.000 (Calculated) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | 14370 BP | Date Error: | 4180 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Medium quality | Preferred Date: | Y | |
| C14 Date: | 11500 | C14 Date Error: | 1500 | |
| Bulk DRE Volume (km3): | 20.800 (Calculated) | ||
| Bulk deposit volume (km3): | > 50.000 (Literature) | ||
| Magnitude : | 6.700 (Calculated) | ||
| Maximum Column Height (km): | 37.000 (Literature) | ||
| Maximum Intensity : | 11.340 (Eruption Rate) | ||
| Maximum VEI : | 6.000 (Literature) | ||
| Minimum Column Height (km): | 21.000 (Literature) | ||
| Minimum Intensity : | 10.500 (Eruption Rate) | ||
| Tephra fall DRE Volume (km3): | 0.120 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.290 (Calculated) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | 21152 BP | Date Error: | 334 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| C14 Date: | 17730 | C14 Date Error: | 70 | |
| Bulk DRE Volume (km3): | >= 0.400 (Assumed) | ||
| Bulk deposit volume (km3): | >= 1.000 (Assumed) | ||
| Magnitude : | 5.800 (Literature) | ||
| Maximum VEI : | 5.000 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 38850 BP | Date Error: | 4350 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| C14 Date: | 33000 | C14 Date Error: | 2000 | |
| Bulk DRE Volume (km3): | 18.400 (Calculated) | ||
| Bulk deposit volume (km3): | 46.000 (Literature) | ||
| Magnitude : | 6.700 (Calculated) | ||
| Maximum VEI : | 6.000 (Literature) |
| Magma: | Andesite-Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 41000 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 : | 5.500 (Literature) | ||
| Maximum VEI : | 5.000 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 58000 BP | Date Error: | 4000 | |
| Eruption End Date: | Dating Technique: | Thermoluminescence | ||
| Eruption Date Quality: | Medium 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 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 60000 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 : | ? 5.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 61000 BP | Date Error: | 4000 | |
| Eruption End Date: | Dating Technique: | Thermoluminescence | ||
| Eruption Date Quality: | Medium quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 4.800 (Calculated) | ||
| Bulk deposit volume (km3): | 12.000 (Literature) | ||
| Magnitude : | 6.100 (Literature) | ||
| Maximum VEI : | ? 6.000 (Literature) |
| Magma: | Andesite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | 70000 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 : | ? 5.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 80000 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: | 84000 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) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 89000 BP | Date Error: | 6000 | |
| Eruption End Date: | Dating Technique: | Thermoluminescence | ||
| Eruption Date Quality: | Medium 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 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 90000 BP | Date Error: | 10000 | |
| Eruption End Date: | Dating Technique: | Other technique | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 0.400 (Assumed) | ||
| Bulk deposit volume (km3): | >= 1.000 (Assumed) | ||
| Magnitude : | 5.700 (Literature) | ||
| Maximum VEI : | 5.000 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 105500 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) |
| 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: | 111000 BP | Date Error: | 6000 | |
| Eruption End Date: | Dating Technique: | Thermoluminescence | ||
| Eruption Date Quality: | Medium 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: |