View of part of the tuff cone which contains both Faleāsao village and Faleasao Harbor from the northwest part of Taʻū Island, American Samoa. A tuff cone can form when magma and water interact at shallow depths, causing localized explosions.
Images
Images of Taʻū Island in American Samoa.
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Part of tuff cone of Faleasao Harbor, Taʻū Island, American Samoa
View of part of the tuff cone which contains both Faleāsao village and Faleasao Harbor from the northwest part of Taʻū Island, American Samoa. A tuff cone can form when magma and water interact at shallow depths, causing localized explosions.
National Weather Service electronics technician installs Fitiuta Raspberry Shake, Taʻū Island
A Raspberry Shake seismometer was installed at Fitiʻuta Elementary School on Taʻū Island on August 13, 2022, to provide initial data on the swarm of earthquakes that started on the Manuʻa Islands around July 26, 2022.
A Raspberry Shake seismometer was installed at Fitiʻuta Elementary School on Taʻū Island on August 13, 2022, to provide initial data on the swarm of earthquakes that started on the Manuʻa Islands around July 26, 2022.
Raspberry Shake seismometer installed in Fitiʻuta Elementary School, Taʻū Island
A Raspberry Shake seismometer was installed at Fitiʻuta Elementary School on Taʻū Island on August 13, 2022, to provide initial data on the swarm of earthquakes that started on the Manuʻa Islands around July 26, 2022.
A Raspberry Shake seismometer was installed at Fitiʻuta Elementary School on Taʻū Island on August 13, 2022, to provide initial data on the swarm of earthquakes that started on the Manuʻa Islands around July 26, 2022.
Ta'u Island and Vailuluʻu seamount, American Samoa
Reference map showing the location of Ta'u Island and Vailuluʻu seamount, American Samoa.
Service Layer Credits: Sources: Esri, GEBCO, NOAA, National Geographic, Garmin, HERE, Geonames.org, and other contributors
Esri, Garmin, GEBCO, NOAA NGDC, and other contributors
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Reference map showing the location of Ta'u Island and Vailuluʻu seamount, American Samoa.
Service Layer Credits: Sources: Esri, GEBCO, NOAA, National Geographic, Garmin, HERE, Geonames.org, and other contributors
Esri, Garmin, GEBCO, NOAA NGDC, and other contributors
By
Ta'ū seismicity detected from Wake Island
Earthquakes in oceanic environments can generate pressure waves that travel long distances within the ocean itself. Much like seismographs record ground shaking, this energy is recorded by submerged hydrophones measuring pressure changes in water.
Earthquakes in oceanic environments can generate pressure waves that travel long distances within the ocean itself. Much like seismographs record ground shaking, this energy is recorded by submerged hydrophones measuring pressure changes in water.
Bathymetry of Vailulu'u crater between the 1999 and 2005
Bathymetry of the Vailulu'u crater between the 1999 and 2005 surveys shows the emergence of the Nafanua cone. From the Smithsonian Institution Global Volcanism Program, courtesy of H. Staudigel and S. Hart.
Bathymetry of the Vailulu'u crater between the 1999 and 2005 surveys shows the emergence of the Nafanua cone. From the Smithsonian Institution Global Volcanism Program, courtesy of H. Staudigel and S. Hart.
Vailulu'u 2005
Broken pillow lavas, colored red by iron oxide, inside Vailulu'u crater.
Broken pillow lavas, colored red by iron oxide, inside Vailulu'u crater.
NASA Astronaut image of Ta'u Island
NASA Astronaut image of Ta'u Island (Manu'a Islands, American Samoa) in the South Pacific Ocean.
NASA Astronaut image of Ta'u Island (Manu'a Islands, American Samoa) in the South Pacific Ocean.
Geologic sketch map of Ta‘ū Island
Geologic sketch map of Ta‘ū Island, showing offshore topography. Bathymetric interval: 600 feet. From Stice and McCoy (1968).
Geologic sketch map of Ta‘ū Island, showing offshore topography. Bathymetric interval: 600 feet. From Stice and McCoy (1968).
Geologic sketch map of the Manu‘a group of islands in American Samoa
Geologic sketch map of the Manu‘a group of islands in American Samoa. From Stearns (1944).
Geologic sketch map of the Manu‘a group of islands in American Samoa. From Stearns (1944).