Long Valley Caldera

E57336
caldera supervolcano volcanic depression

Long Valley Caldera is a large volcanic depression in eastern California known for its geothermal activity, seismic unrest, and proximity to the Sierra Nevada and Mammoth Lakes.

Jump to: Surface forms Statements Referenced by

Observed surface forms (6)

Surface form Occurrences
Long Valley Caldera (portion) 1
Long Valley Caldera region 1
Long Valley in the San Jacinto Mountains 1

Statements (49)

Predicate Object
instanceOf caldera ⓘ
supervolcano ⓘ
volcanic depression ⓘ
approximateArea about 450 square kilometers ⓘ
approximateLength 32 kilometers ⓘ
approximateWidth 17 kilometers ⓘ
country United States of America ⓘ
surface form: United States
elevation about 2,100–3,400 meters above sea level ⓘ
eruptionType explosive ⓘ
formationCause catastrophic explosive eruption ⓘ
geologicAge Pleistocene ⓘ
geothermalDevelopmentArea Casa Diablo power plants ⓘ
hasFeature Bishop Tuff ⓘ
fumaroles ⓘ
geothermal activity ⓘ
hot springs ⓘ
hydrothermal systems ⓘ
resurgent dome ⓘ
hasNearbyFeature Casa Diablo geothermal field ⓘ
Hot Creek Geological Site ⓘ
surface form: Hot Creek geothermal area

Mammoth Lakes area ⓘ
surface form: Mammoth Lakes
hazardType ash-fall hazard ⓘ
hydrothermal explosions ⓘ
pyroclastic flows (in large eruptions) ⓘ
volcanic gas emissions ⓘ
isSubjectOf geophysical research ⓘ
volcano hazard assessments ⓘ
volcanological studies ⓘ
lastMajorEruption about 760,000 years ago ⓘ
lastMajorEruptionProduct Bishop Tuff ⓘ
locatedIn Mono County, California ⓘ
eastern California ⓘ
locatedNear Mammoth Lakes area ⓘ
surface form: Mammoth Lakes, California

Mammoth Mountain Ski Area ⓘ
surface form: Mammoth Mountain

Sierra Nevada ⓘ
monitoredBy USGS California Volcano Observatory ⓘ
monitoredFor gas emissions ⓘ
ground deformation ⓘ
seismic activity ⓘ
nearbyPopulationCenter Mammoth Lakes area ⓘ
surface form: Town of Mammoth Lakes
overseenBy United States Geological Survey ⓘ
partOf Basin and Range Province ⓘ
Long Valley Caldera self-linksurface differs ⓘ
surface form: Long Valley volcanic region
riskLevel potentially active volcano ⓘ
shows ground uplift episodes ⓘ
seismic unrest ⓘ
tectonicSetting extensional regime ⓘ
usedFor geothermal power generation ⓘ
volcanicArcOrBelt Basin and Range Province ⓘ
surface form: Basin and Range extensional province

Referenced by (12)

Full triples — surface form annotated when it differs from this entity's canonical label.

eastern California → contains → Long Valley Caldera ⓘ
subject surface form: Eastern California
Eastern Sierra → contains → Long Valley Caldera ⓘ
Inyo National Forest → contains → Long Valley Caldera ⓘ
this entity surface form: Long Valley Caldera (portion)
Owens River → flowsThrough → Long Valley Caldera ⓘ
Horseshoe Lake → geologicalSetting → Long Valley Caldera ⓘ
subject surface form: Horseshoe Lake (Mammoth Lakes, California)
this entity surface form: Long Valley Caldera region
Mammoth Lakes area → hasNearby → Long Valley Caldera ⓘ
Mono Basin → hasVolcanicField → Long Valley Caldera ⓘ
this entity surface form: Mono–Inyo Craters
USGS California Volcano Observatory → monitors → Long Valley Caldera ⓘ
Hot Creek Geological Site → partOf → Long Valley Caldera ⓘ
Long Valley Caldera → partOf → Long Valley Caldera self-linksurface differs ⓘ
this entity surface form: Long Valley volcanic region
Owens River → sourceRegion → Long Valley Caldera ⓘ
this entity surface form: Long Valley near Mammoth Lakes
San Jacinto Mountains → terminus → Long Valley Caldera ⓘ
subject surface form: Palm Springs Aerial Tramway
this entity surface form: Long Valley in the San Jacinto Mountains