| Volcano Name: | Long Valley | Smithsonian Inst ID (SI_VNUM): | 323822 |
| Alternate Name: |
Casa Diablo Hot Springs Deer Mountain Dry Creek Dome Fumarole Valley Gilbert Dome Glass Mountain Hot Creek Little Hot Creek Lookout Mountain Mammoth Mountain Fumarole Whitmore Hot Springs |
Volcano Type: | Caldera(s) |
| Latitude: | 37.7000000000 | ||
| Longitude: | -118.8666667000 | ||
| Region: | Canada and Western USA | Sub Region: | USA (California) |
| Date Entered: | 02/05/2012 |
| Eruption Start Date: | 705000 BP | Date Error: | 55000 | |
| Eruption End Date: | Dating Technique: | Other technique | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 75.000 (Literature) | ||
| Bulk deposit volume (km3): | 172.000 (Calculated) | ||
| Magnitude : | 7.200 (Calculated) | ||
| Maximum VEI : | 7.000 (Calculated) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Eruption Start Date: | 764800 BP | Date Error: | 600 | |
| Eruption End Date: | Dating Technique: | Ar-Ar | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 625.000 (Literature) | ||
| Bulk deposit volume (km3): | 790.000 (Literature) | ||
| Ignimbrite Deposit Volume : | 200.000 (Literature) | ||
| Magnitude : | 8.300 (Literature) | ||
| Maximum Column Height (km): | 45.000 (Literature) | ||
| Maximum Intensity : | 11.900 (Column Height) | ||
| Maximum VEI : | 8.000 (Literature) | ||
| Minimum Column Height (km): | 15.000 (Literature) | ||
| Primary Intracaldera Material DRE Volume (km3): | 152.000 (Literature) | ||
| Primary Intracaldera Material Deposit Volume (km3): | 350.000 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 250.000 (Literature) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |