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green NORMAL, 2023-03-02 21:30:27 UTC

Ofu and Olosega are two islands formed from two shield volcanoes in the United States Territory of American Samoa. Volcanic activity in American Samoa is within the area of responsibility of the U.S. Geological Survey’s Hawaiian Volcano Observatory, based in Hilo on the Island of Hawai‘i.

Facts Block

Location: American Samoa
Latitude: 14.18° S
Longitude: 169.62° W
Elevation: 639 (m) 2,096 (f)
Volcano type: Shield
Composition: Basalt
Most recent eruption: unknown
Nearby towns: Olosega, Ofu
Threat Potential: Low

Color photograph of islands from space
NASA Astronaut image of Ofu-Olosega islands (Manu'a Islands, American Samoa) in the South Pacific Ocean. NASA Space Shuttle image ISS002-E-6878 (…).



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