Ofu-Olosega, United States
Ofu-Olosega is a shield volcano in the United States, 639 m (2,096 ft) high. Its last known eruption: 1800 to 1899. NOAA records 1 significant eruption here.
Ofu-Olosega on the map
Ofu-Olosega and the volcanoes within 300 km, colored by when each last erupted.
- Since 1964
- 1900 to 1963
- 1800s
- AD 1 to 1799
- Before AD 1, or undated
Now
From the USGS Volcano Hazards Program, read 07:27 UTC. USGS threat ranking: Low Threat.
Normal / Green Hawaiian Volcano Observatory rates Ofu-Olosega at alert level Normal, aviation color code Green, since 2026-09-03 18:56 UTC.
HVO Ofu-Olosega GREEN/NORMAL - No activity of concern for Ofu-Olosega.
The volcano
- Type
- Shield volcano
- Elevation
- 639 m (2,096 ft)
- Country
- United States
- Region
- Samoa-SW Pacific
- Summit
- 14.175° S, 169.618° W
- Last known eruption
- 1800 to 1899
- Holocene activity known from
- Historical
- Smithsonian volcano number
- 244010
Significant eruptions
1 on record, newest first.
Around it
The volcanoes within 300 km.
Earthquakes near Ofu-OlosegaVolcanic ash advisories on the live map
Sources
Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Alert levels, color codes and notices from the USGS Volcano Hazards Program and its observatories, public domain. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.