| Volcano Name: | Izu-Oshima | Smithsonian Inst ID (SI_VNUM): | 284010 |
| Alternate Name: |
Fudeshima Futago-yama Gyojanoiwaya Habuminato Hikubo Miharayama O-sima Okata Oo-sima Ooshima Oshima Takenohira |
Volcano Type: | Stratovolcano(es) |
| Latitude: | 34.7213888900 | ||
| Longitude: | 139.3977778000 | ||
| Region: | Japan, Taiwan, Marianas | Sub Region: | Izu, Volcano, & Mariana Islands |
| Date Entered: | 02/05/2012 |
| Eruption Start Date: | 31/8 /1777 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.060 (Literature) | ||
| Bulk deposit volume (km3): | 0.160 (Literature) | ||
| Magnitude : | 4.200 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.060 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.160 (Literature) |
| Magma: | Basalt-Andesite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Basalt | |||
| Andesite |
| Eruption Start Date: | 14/2 /1684 | 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): | 0.040 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.100 (Literature) |
| Magma: | Basalt-Andesite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Andesite | |||
| Basalt |
| Eruption Start Date: | 14/5 /1421 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.100 (Literature) | ||
| Bulk deposit volume (km3): | 0.250 (Literature) | ||
| Magnitude : | 4.400 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Andesite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Andesite |
| Eruption Start Date: | 1183 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Varve Count | ||
| 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) |
| Magma: | Basalt-Andesite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Andesite | |||
| Basalt |
| Eruption Start Date: | 29/6 /886 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.250 (Literature) | ||
| Bulk deposit volume (km3): | 0.630 (Literature) | ||
| Magnitude : | 4.800 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.250 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.630 (Literature) |
| Magma: | Basalt-Andesite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Andesite | |||
| Basalt |
| Eruption Start Date: | 14/9 /854 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.060 (Literature) | ||
| Bulk deposit volume (km3): | 0.160 (Literature) | ||
| Magnitude : | 4.200 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.060 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.160 (Literature) |
| Magma: | Basalt | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Basalt |
| Eruption Start Date: | 713 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Varve Count | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.080 (Literature) | ||
| Bulk deposit volume (km3): | 0.200 (Literature) | ||
| Magnitude : | 4.300 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.080 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.200 (Literature) |
| Eruption Start Date: | 680 | 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) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 340 | Date Error: | 200 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Medium quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.070 (Calculated) | ||
| Bulk deposit volume (km3): | 0.160 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 0.040 (Calculated) | ||
| Ignimbrite Deposit Volume : | 0.100 (Literature) | ||
| Magnitude : | 4.200 (Calculated) | ||
| Maximum VEI : | 4.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.030 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 0.060 (Literature) |
| Magma: | Andesite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Andesite |
| Eruption Start Date: | 220 | Date Error: | 120 | |
| Eruption End Date: | Dating Technique: | Stratigraphy | ||
| 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 : | 3.000 (Literature) |
| Eruption Start Date: | 2450 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 : | 3.000 (Literature) |
| Eruption Start Date: | -1450 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| 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: | 5950 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: | -4450 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| 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: | 6450 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: | -6550 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| 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: | -6650 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| 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: | -8450 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Tephrochronology | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 0.040 (Assumed) | ||
| Bulk deposit volume (km3): | >= 0.010 (Assumed) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 4.000 (Calculated) |
| Eruption Start Date: | 11000 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: | 11300 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: | 11400 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: | 12800 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: | 13100 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: | 13400 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: | 15700 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: | 17100 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: | 18500 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: | 19000 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: | 19500 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: | 20000 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: | 22500 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: | 23000 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: |