| Volcano Name: | Ontakesan | Smithsonian Inst ID (SI_VNUM): | 283040 |
| Alternate Name: |
Gono-ike Ichino-ike Itino-ike Jigoku Kiso-ontake Komikasa-yama Marishiten Mikasa-yama Nino-ike On-take Sanno-ike Shino-ike Sino-ike Tobu volcano group Tsuchiurazawa Uetawara-yama Zigoku |
Volcano Type: | Complex volcano(es) |
| Latitude: | 35.8897222200 | ||
| Longitude: | 137.4833333000 | ||
| Region: | Japan, Taiwan, Marianas | Sub Region: | Honshu |
| Date Entered: | 02/05/2012 |
| Eruption Start Date: | 70000 BP | Date Error: | 15000 | |
| 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 : | 5.700 (Literature) | ||
| Maximum VEI : | 5.000 (Calculated) |
| 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 (Calculated) | ||
| Bulk deposit volume (km3): | 1.000 (Literature) | ||
| Magnitude : | 5.000 (Literature) | ||
| Maximum VEI : | ? 5.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 85000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| 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: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 85100 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 : | 5.300 (Literature) | ||
| Maximum VEI : | 5.000 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 93000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 4.000 (Calculated) | ||
| Bulk deposit volume (km3): | 10.000 (Literature) | ||
| Magnitude : | 6.000 (Calculated) | ||
| Maximum VEI : | 6.000 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 94900 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 : | 5.800 (Literature) | ||
| Maximum VEI : | 5.000 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 95700 BP | Date Error: | 5300 | |
| Eruption End Date: | Dating Technique: | Stratigraphy | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 20.000 (Literature) | ||
| Bulk deposit volume (km3): | 50.000 (Literature) | ||
| Magnitude : | 6.700 (Calculated) | ||
| Maximum VEI : | 6.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 5.200 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 13.000 (Literature) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |