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Volcanoes of the Aleutian Islands (44)

Adagdak | Akutan | Amak | Amukta | Atka | Bobrof | Bogoslof | Buldir | Carlisle | Chagulak | Cleveland | Davidof | Fisher | Gareloi | Gilbert | Great Sitkin | Herbert | Isanotski | Kagamil | Kanaga | Kasatochi | Kiska | Koniuji | Korovin | Little Sitkin | Makushin | Moffett | Okmok | Recheschnoi | Roundtop | Seguam | Segula | Semisopochnoi | Sergief | Shishaldin | Table Top | Takawangha | Tana | Tanaga | Uliaga | Vsevidof | Westdahl | Wide Bay | Yunaska
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Volcano list


(Stratovolcano 610 m / 2,001 ft)


(Stratovolcano 1303 m / 4,275 ft)
Akutan volcano is one of the most active stratovolcanoes of the Aleutian arc. The volcano has a 2-km-wide caldera with an active intracaldera cone. [more]


(Stratovolcano 488 m / 1,601 ft)


(Stratovolcano 1066 m / 3,497 ft)


(Stratovolcanoes 1451 m / 4,760 ft)


(Stratovolcano 738 m / 2,421 ft)


(Submarine volcano 150 m / 492 ft)
Bogoslof Island in Alaska with the eroded remnants of Castle Rock lava dome from the 1796 eruption (image: Ann Harding/AVO USGS)
Bogoslof Island in Alaska with the eroded remnants of Castle Rock lava dome from the 1796 eruption (image: Ann Harding/AVO USGS)


(Stratovolcano 656 m / 2,152 ft)


(Stratovolcano 1620 m / 5,315 ft)


(Stratovolcano 1142 m / 3,747 ft)


(Stratovolcano 1730 m (5,676 ft))
The beautifully symmetrical Mount Cleveland stratovolcano forms the western half of the uninhabited Chuginadak Island in the central Aleutians, connected to the eastern half of the island by a narrow isthmus. It is one of the regions most active volcanoes, but at present has no s... [more]


(Stratovolcano 328 m / 1,076 ft)


(Stratovolcano 1112 m / 3,648 ft)


(Stratovolcano 1573 m / 5,161 ft)
Gareloi volcano from the webcam on 8 June 2021
Gareloi volcano from the webcam on 8 June 2021


(Stratovolcano 818 m / 2684 ft)

Great Sitkin

(Stratovolcano 1740+ m / 5,709 ft)


(Stratovolcano 1280 m / 4,199 ft)


(Stratovolcano 2446 m / 8,025 ft)


(Stratovolcano 893 m / 2,930 ft)


(stratovolcano 1307 m / 4,288 ft)
Kanaga Volcano Viewed from the west with Mt Moffet, Adak and Great Sitkin in the background (image taken May 8, 2010 by Cyrus Read, AVO/USGS)
Kanaga Volcano Viewed from the west with Mt Moffet, Adak and Great Sitkin in the background (image taken May 8, 2010 by Cyrus Read, AVO/USGS)
Kanaga volcano is an active symmetrical stratovolcano rising 1300 m on the northern part of Kanaga Island in the western Aleutians, Alaska. It is one of the most southerly volcanoes of the central Aleutian chain.
The volcano has a small 200 m wide and 60 m deep circular sum... [more]


(Stratovolcano 314 m / 1030 ft)
Satellite image of Kasatochi volcano (c) Google Earth View
Satellite image of Kasatochi volcano (c) Google Earth View
Kasatochi is a remote island forming the peak of a mostly submerged stratovolcano rising to 314 m a.s.l. in the Aleutian island chain. It is one of the volcanoes in the world that formed new islands in historic times. [more]


(Stratovolcano 1220 m / 4,003 ft)


(Stratovolcano 273 m / 896 ft)


(Stratovolcano 1533 m / 5030 ft)
Korovin is a 1533 m high stratovolcano in the central Aleutian Islands and one of the most active volcanoes in Alaska. On average, it has been active every 10-15 years, its last eruption being in Nov-Dec 2006 with ash emissions. [more]

Little Sitkin

(stratovolcano 1174 m / 3,852 ft)
Little Sitkin volcano forms a small island of the same name in the western Aleutians Islands and belongs to the Aleutian Island National Wildlife Refuge. The active stratovolcano rises 1188 m (3898 ft) in the center-northeastern part of the island. The island is located 330 km (2... [more]


(Stratovolcano 1800 m / 5,905 ft)
Makushin volcano is an ice-covered 1800-m-high stratovolcano on northern Unalaska Island west of the town of Dutch Harbor. The volcano contains a 2.5-km-wide caldera. Its broad, domical shape contrasts with the usual steep-sided profile of most other volcanoes in the Aleutians. [more]


(Stratovolcano 1196 m / 3,924 ft)


(Central shield complex with nested caldera 1073 m (3520 ft))
Okmok is one of the most active volcanoes in the Aleutian island chain (Alaska). It consists of a complex of shields truncated by a caldera and several active vents inside the caldera, which have built small cones and lava flows. [more]


(Stratovolcano 1984 m / 6,509 ft)


(Stratovolcano 1871 m / 6,138 ft)


(Stratovolcanoes 1054 m / 3,458 ft)


(Stratovolcano 1160 m / 3,806 ft)


(Stratovolcano 1221 m / 4,006 ft)


(Stratovolcano 560 m / 1,837 ft)


(Stratovolcano 2857 m / 9,373 ft)

Table Top

(Pyroclastic cone 792 m / 2598 ft)


(Stratovolcano 1449 m / 4,754 ft)
Snow-clad Takanangha volcano on Tanaga Island (image: Loewen, M. W. via AVO / USGS)
Snow-clad Takanangha volcano on Tanaga Island (image: Loewen, M. W. via AVO / USGS)
Takawangha is a 1449-m-high, young stratovolcano on northern Tanaga Island near the western end of the Andreanof Islands in the Aleutian arc. It is capped by an ice-filled summit caldera.
Due to its remoteness, there are no historical observations of activity, but radiocarb... [more]


(Stratovolcanoes 1170 m / 3,839 ft)


(Stratovolcanoes 1806 m / 5,925 ft)
Tanaga volcano is the second largest volcano of the central Aleutians. It is the central and highest of 3 young stratovolcanoes oriented along a roughly E-W line at the NW tip of Tanaga Island. [more]


(Stratovolcano 888 m / 2,913 ft)


(Stratovolcano 2149 m / 7,050 ft)


(Stratovolcano? 1654 m / 5,426 ft)

Wide Bay

(Pyroclastic cone 640 m / 2100 ft)


(Shield volcano 550 m / 1,804 ft)
Volcano news
Thu, 24 Nov 2022, 04:44

Semisopochnoi volcano (Aleutian Islands): Aviation Color Code reduced to Yellow

Cloud-free satellite imagery of Semisopochnoi volcano on 13 Nov (image: Sentinel 2)
The Aviation Color Code for the volcano was lowered to "Yellow", as a decreasing trend of the activity at the volcano continues. ... Read all
Wed, 23 Nov 2022, 15:00

Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 16 November-22 November 2022 (Continuing Activity)

AVO reported ongoing low-level seismicity at Semisopochnoi characterized by intermittent seismic tremor and occasional low-frequency earthquakes during 16-22 November. Satellite and webcam views were mostly obscured by weather clouds, though during clear views continuous gas-and-steam emissions from the N crater of Mount Cerberus were visible. The Aviation Color Code remained at Orange and the Volcano Alert Level remained at Watch. ... Read all
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