| Volcano Name: | Hachijojima | Smithsonian Inst ID (SI_VNUM): | 284050 |
| Alternate Name: |
Hachijo-Fuji Hachijo-jima Hachijo-jima Nishi-yama Hachiman-yama Hatizyo-Huzi Hatizyo-zima Nisi-yama Higashi-hakuunzan Higashi-yama Higasi-yama Kando-yama Ko-jima Ko-zima Mihara Myohoji Nakanogo Nishi-Hakuunzan Nishi-yama Nisi-yama Oana |
Volcano Type: | Stratovolcano(es) |
| Latitude: | 33.1333333300 | ||
| Longitude: | 139.7691667000 | ||
| Region: | Japan, Taiwan, Marianas | Sub Region: | Izu, Volcano, & Mariana Islands |
| Date Entered: | 02/05/2012 |
| Eruption Start Date: | 1950 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) |
| Eruption Start Date: | -2050 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.480 (Literature) | ||
| Bulk deposit volume (km3): | 1.200 (Literature) | ||
| Magnitude : | 5.100 (Literature) | ||
| Maximum VEI : | 5.000 (Literature) |
| Magma: | Basalt | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Basalt |
| Eruption Start Date: | -2450 | Date Error: | 400 | |
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.100 (Literature) | ||
| Bulk deposit volume (km3): | 0.300 (Literature) | ||
| Magnitude : | 4.400 (Calculated) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | -2700 | Date Error: | 100 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| C14 Date: | 4110 | C14 Date Error: | 95 | |
| Bulk DRE Volume (km3): | 0.020 (Literature) | ||
| Bulk deposit volume (km3): | 0.060 (Literature) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 3.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Not Available |
| Eruption Start Date: | -4650 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.480 (Literature) | ||
| Bulk deposit volume (km3): | 1.200 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 0.480 (Literature) | ||
| Ignimbrite Deposit Volume : | 1.200 (Literature) | ||
| Magnitude : | 5.100 (Literature) | ||
| Maximum VEI : | 5.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | -5020 | Date Error: | 1000 | |
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.006 (Calculated) | ||
| Bulk deposit volume (km3): | 0.015 (Literature) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 3.000 (Literature) |
| Eruption Start Date: | 7650 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.002 (Literature) | ||
| Bulk deposit volume (km3): | 0.005 (Literature) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 2.000 (Literature) |
| Eruption Start Date: | 9965 BP | Date Error: | 2635 | |
| Eruption End Date: | Dating Technique: | Stratigraphy | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.050 (Literature) | ||
| Bulk deposit volume (km3): | 0.130 (Literature) | ||
| Magnitude : | 4.100 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.050 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.130 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | -8020 | Date Error: | 1000 | |
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.100 (Literature) | ||
| Bulk deposit volume (km3): | 0.300 (Literature) | ||
| Magnitude : | 4.400 (Calculated) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 13000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.080 (Literature) | ||
| Bulk deposit volume (km3): | 0.200 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 0.080 (Literature) | ||
| Ignimbrite Deposit Volume : | 0.200 (Literature) | ||
| Magnitude : | 4.300 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 13200 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.080 (Literature) | ||
| Bulk deposit volume (km3): | 0.200 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 0.080 (Literature) | ||
| Ignimbrite Deposit Volume : | 0.200 (Literature) | ||
| Magnitude : | 4.300 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 14500 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.080 (Literature) | ||
| Bulk deposit volume (km3): | 0.200 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 0.080 (Literature) | ||
| Ignimbrite Deposit Volume : | 0.200 (Literature) | ||
| Magnitude : | 4.300 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 15000 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: | 17000 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: | 18000 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: | 19800 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 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 22000 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: | 28000 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 : | 5.400 (Literature) | ||
| Maximum VEI : | 5.000 (Literature) |
| Magma: | Basalt-Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Basalt | |||
| Andesite | |||
| (Minor/less than 10%) Dacite |