Seguam Island
Seguam Island (; ) is a small volcanic island in the Andreanof Islands group in the Aleutian Islands of Alaska. The island is mountainous and oval shaped with a land area of . It is long and wide. The 2000 census reported a population of one person.

The island consists of several overlapping stratovolcanoes, and it contains two calderas each with central volcanic cones. About 10 historical eruptions have been recorded since the late 18th century, the most recent in 1993. All recent activity has occurred at Pyre Peak, the cone within the western caldera and the highest point on the island, and has produced explosive eruptions and basaltic lava flows.
Q8072
volcanic
Concept
Q23442
island
Concept
Q195248
Andreanof Islands
LOC
Q119285
Aleutian Islands
LOC
Q797
Alaska
LOC
Q166998
2000 census
EVE
Q169358
stratovolcano
Concept
Q159954
caldera
Concept
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volcanic cone
Concept
Q1321886
explosive eruption
Concept
Q43338
basalt
Concept
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lava flow
Concept
Q955387
Seguam Island
LOC
2000-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
2000
DATE
1993-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1993
DATE
+10^^http://www.w3.org/2001/XMLSchema#decimal
10
NUMBER
+18^^http://www.w3.org/2001/XMLSchema#decimal
18
NUMBER
part of
part of
located in the administrative territorial entity
located in the administrative territorial entity