United States · Tuff cone
Tutuila
- Type
- Tuff cone
- Elevation
- 653m
- Last eruption
- 440
- Type
- Tuff cone
- Country
- United States
- Region
- Southern Pacific / Samoan Hotspot Volcano Group
- Elevation
- 653m
- Coordinates
- -14.290, -170.702
- Last eruption
- 440
- Tectonic setting
- Subduction zone / Oceanic crust (< 15 km)
- Landform
- Cluster
- Major rock type
- Basalt / Picro-basalt
Geological summary
The elongated, extensively eroded Tutuila Island in the center of the Samoan Islands consists of five Pliocene-to-Pleistocene volcanoes constructed along two or three rifts trending SSW-NNE.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Tutuila is the largest and most populous island of American Samoa and is part of the archipelago of the Samoan Islands. It is the third largest island in the Samoan Islands chain of the Central Pacific. It is located roughly 4,000 kilometers (2,500 mi) northeast of Brisbane, Australia and lies over 1,200 kilometers (750 mi) to the northeast of Fiji. It contains a large, natural harbor, Pago Pago Harbor, where Pago Pago, the capital of American Samoa, is situated. Pago Pago International Airport is also located on Tutuila. The island's land expanse is about 68% of the total land area of American Samoa. With 56,000 inhabitants, it is also home to 95% of the population of American Samoa. The island has six terrestrial and three marine ecosystems.
Wikipedia · CC BY-SA · Read full article →
Eruption history
1 recordedGlossaryRecord summary
- Confirmed eruptions
- 1
- Uncertain eruptions
- 0
- Span of confirmed record
- 440 (±200 yrs) – 440
- Largest confirmed eruption
- VEI 3 (440)
- Confirmed eruptions since 1900
- 0
Detailed timeline
- 440 (±200 yrs)VEI 3Geological estimate440 – end unknownCones E of Pava'ia'i Village
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.