| Volcano Name: | Toba | Smithsonian Inst ID (SI_VNUM): | 261090 |
| Alternate Name: |
Dolok Batuharang Dolok Sibutan Dolok Singgalang Dolok Tandukbenua Haranggaol Nabelberg Poesoek Boekit Porsea Pusukbukit Sibandung Sipisopiso |
Volcano Type: | Caldera(s) |
| Latitude: | 2.5833333330 | ||
| Longitude: | 98.8333333300 | ||
| Region: | Indonesia | Sub Region: | Sumatra |
| Date Entered: | 02/05/2012 |
| Eruption Start Date: | 75000 BP | Date Error: | 900 | |
| Eruption End Date: | Dating Technique: | Ar-Ar | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 5300.000 (Literature) | ||
| Bulk deposit volume (km3): | 13200.000 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 1500.000 (Literature) | ||
| Ignimbrite Deposit Volume : | 2300.000 (Calculated) | ||
| Magnitude : | 9.100 (Calculated) | ||
| Maximum Column Height (km): | 42.000 (Literature) | ||
| Maximum Intensity : | 12.880 (Column Height) | ||
| Maximum VEI : | 8.000 (Literature) | ||
| Minimum Column Height (km): | 50.000 (Literature) | ||
| Minimum Intensity : | 12.070 (Column Height) | ||
| Primary Intracaldera Material DRE Volume (km3): | 1000.000 (Literature) | ||
| Primary Intracaldera Material Deposit Volume (km3): | 2300.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 3800.000 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 8600.000 (Literature) |
| Magma: | Dacite-Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite | |||
| Rhyolite |
| Eruption Start Date: | 501000 BP | Date Error: | 5000 | |
| Eruption End Date: | Dating Technique: | Ar-Ar | ||
| Eruption Date Quality: | Medium quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 60.000 (Literature) | ||
| Bulk deposit volume (km3): | 138.000 (Calculated) | ||
| Magnitude : | 7.100 (Literature) | ||
| Maximum VEI : | 7.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 60.000 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 138.000 (Calculated) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Eruption Start Date: | 788000 BP | Date Error: | 2200 | |
| Eruption End Date: | Dating Technique: | Oxygen isotopes | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 2300.000 (Literature) | ||
| Bulk deposit volume (km3): | 5290.000 (Calculated) | ||
| Magnitude : | 8.700 (Calculated) | ||
| Maximum VEI : | 8.000 (Literature) | ||
| Primary Intracaldera Material DRE Volume (km3): | 500.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 1800.000 (Literature) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite | |||
| Rhyolite |
| Eruption Start Date: | 1200000 BP | Date Error: | 160000 | |
| Eruption End Date: | Dating Technique: | ITPFT isothermal plateau fission track age | ||
| Eruption Date Quality: | Medium quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 35.000 (Literature) | ||
| Bulk deposit volume (km3): | 84.000 (Calculated) | ||
| Magnitude : | 6.900 (Calculated) | ||
| Maximum VEI : | 6.000 (Literature) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |