Volcano profile

United States

Hell's Half Acre.

Volcano profile for Hell's Half Acre in United States, including its current status, catalog data, nearby earthquakes and live map layers.

Live mapAll volcanoes
Current status
No current eruption report
Volcano type
Shield volcano
Elevation
1,632 m
Last documented eruption
3250 BCE
Coordinates
43.492°, -112.4503°
GVP number
324040

Live map

Live map around Hell's Half Acre

Satellites & ash clouds

Map options

Airports and nuclear plants provide geographic context. Being in or near an area does not establish closure, damage or a specific hazard.

Loading …

50 km · Live ADS-B
Loading live aircraft …
No current eruption report

United States

Hell's Half Acre

Shield volcano

Elevation
1,632 m
Last documented eruption
3250 BCE
No current eruption report

No current report does not mean extinct or safe. Source coverage varies between volcanoes.

Geography & tectonics
Coordinates
43.492°, -112.4503°
Volcanic region (GVP)
Yellowstone-Snake River Hotspot Volcano Group
Tectonic setting
Rift zone / Continental crust (> 25 km)
GVP
324040
Documented eruptions · Nearby earthquakes ↓

Source: Smithsonian Global Volcanism Program

This display is not an official warning. Follow information from the responsible authorities when making local decisions.

Profile

Hell's Half Acre · United States

Documented eruptions

Latest catalogue records. Historical records are incomplete; missing values are unknown. VEI describes eruption explosivity.

StartEndVEIReport status
3250 BCEUncertain datingNot available0Confirmed eruption

Source: Smithsonian GVP · Dataset date: 2026-09-21

Nearby earthquakes

Last 7 days · 100 km · up to 10 events. Proximity does not establish a volcanic cause.

  • No recorded events in this selection.
Nearby earthquakes ↗

QuakeMap24

Volcano at a glance

Map view with the current report status and volcano elevation.

Hell's Half Acre · No current eruption report · 1,632 m

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Idaho Falls Regional AirportUnited States · IDA · KIDA
    30.7 kmStraight-line distance
  • Pocatello Regional AirportUnited States · PIH · KPIH
    65.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

Nuclear power plants

  • Project Pele nuclear power plantUnited StatesUnder constructionReactor units at site: 1Approximate location
    32.7 kmStraight-line distance
  • Experimental Breeder Reactor nuclear power plantUnited StatesPermanently shut downReactor units at site: 2
    46.4 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Nearby places

Idaho FallsUnited States · 33.7 km

Source: GeoNames · Radius: 50 km · Straight-line distance

Active volcanoes

Active volcanoes

Other volcanoes with a current eruption report.

Eruption reportedAiraJapanCaldera · 1,117 mEruption reportedDukonoIndonesiaVolcanic complex · 1,273 mEruption reportedGreat SitkinUnited StatesStratovolcano · 1,740 mEruption reportedIbuIndonesiaStratovolcano · 1,357 mEruption reportedKanlaonPhilippinesStratovolcano · 2,422 mEruption reportedKarangetangIndonesiaStratovolcano · 1,797 mEruption reportedKlyuchevskoyRussiaStratovolcano · 4,754 mEruption reportedKrakatauIndonesiaCaldera · 285 m

QuakeMap24

Sources & data dates

Core data comes from the Smithsonian Global Volcanism Program and USGS. Map layers and live aircraft are loaded from the sources identified on the page.

This display is not an official warning. Follow information from the responsible authorities when making local decisions.

VAAC / NOAA NWS

Satellite layers · Last successful retrieval: Sep 21, 2026, 2:53 PM UTC