Volcano profile

United States

Great Sitkin.

A current eruption report is available for Great Sitkin in United States. This page combines official reports, catalog data, nearby earthquakes and live map layers.

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Current status
Eruption reported
Volcano type
Stratovolcano
Elevation
1,740 m
Last documented eruption
2026
Coordinates
52.076°, -176.13°
GVP number
311120

Live map

Live map around Great Sitkin

Satellites & ash clouds

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

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Eruption reported

United States

Great Sitkin

Stratovolcano

Elevation
1,740 m
Last documented eruption
2026
Eruption reported

USGS alert level: Watch · Aviation: Orange
Last successful retrieval: Sep 21, 2026, 1:30 PM UTC

Geography & tectonics
Coordinates
52.076°, -176.13°
Volcanic region (GVP)
Aleutian Ridge Volcanic Arc
Tectonic setting
Subduction zone / Intermediate crust (15-25 km)
GVP
311120
Documented eruptions · Nearby earthquakes ↓

Source: Smithsonian Global Volcanism Program · USGS

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

Profile

Great Sitkin · United States

Documented eruptions

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

StartEndVEIReport status
25 May 2021Uncertain dating25 Mar 20262Confirmed eruption
1 Jun 20197 Jun 20191Confirmed eruption
10 Jun 201811 Aug 20181Confirmed eruption
18 Mar 1987Not available—Uncertain eruption
19 Feb 197416 Sep 19742Confirmed eruption
5 Nov 195029 Nov 1950—Confirmed eruption
30 Dec 19497 Jan 19501Confirmed eruption
14 Aug 1946Not available—Uncertain 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.

Great Sitkin · Eruption reported · 1,740 m

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Adak AirportUnited States · ADK · PADK
    41.1 kmStraight-line distance

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

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

Active volcanoes

Active volcanoes

Other volcanoes with a current eruption report.

Eruption reportedAiraJapanCaldera · 1,117 mEruption reportedDukonoIndonesiaVolcanic complex · 1,273 mEruption reportedIbuIndonesiaStratovolcano · 1,357 mEruption reportedKanlaonPhilippinesStratovolcano · 2,422 mEruption reportedKarangetangIndonesiaStratovolcano · 1,797 mEruption reportedKlyuchevskoyRussiaStratovolcano · 4,754 mEruption reportedKrakatauIndonesiaCaldera · 285 mEruption reportedKrasheninnikovRussiaCaldera · 1,816 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, 1:38 PM UTC