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Southern EPR-Segment I

Southern EPR at 18.5°S (Segment I)

Tipe
Rekahan erupsi
Ketinggian
2600 m (bawah laut)
Letusan terakhir
1915
Black smoker vents emitting low-chlorinity fluids at 374°C were photographed at the "RM28" site at 18°26’S on Segment I of the Southern East Pacific Rise in November 1994 from the Japanese submersible Shinkai 6500. The narrow axial crest of Segment I of the Southern East Pacific Rise in some places is less than 50 m wide. The largest lava flow field in this area is the Animal Farm flow, named after a thriving low-temperature hydrothermal site discovered during a 1993 submersible expedition.
Black smoker vents emitting low-chlorinity fluids at 374°C were photographed at the "RM28" site at 18°26’S on Segment I of the Southern East Pacific Rise in November 1994 from the Japanese submersible Shinkai 6500. The narrow axial crest of Segment I of the Southern East Pacific Rise in some places is less than 50 m wide. The largest lava flow field in this area is the Animal Farm flow, named after a thriving low-temperature hydrothermal site discovered during a 1993 submersible expedition. · Foto: Image courtesy of NOAA Vents Program, 1994 (www.pmel.noaa.gov/vents/chemistry/images/).
Tipe
Rekahan erupsi
Negara
Fitur bawah laut
Wilayah
Pasifik Selatan / Southern East Pacific Rise Volcanic Province
Ketinggian
2600 m (bawah laut)
Koordinat
-18.530, -113.420
Letusan terakhir
1915
Kondisi tektonik
Zona rift / Kerak samudra (< 15 km)
Bentuk lahan
Gugusan gunung api
Batuan utama
Basal / Pikrobasal

Ringkasan geologi

Teks asli bahasa Inggris

The narrow axial crest of Segment I of the Southern East Pacific Rise in some places is less than 50 m wide.

Kutipan dari Global Volcanism Program, Smithsonian Institution · Baca ringkasan lengkap di GVP →

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Letusan terkonfirmasi
3
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0
Rentang catatan terkonfirmasi
1620 – 1915
Letusan terkonfirmasi terbesar
VEI 0 (1915, yang terbaru dari 3)
Letusan terkonfirmasi sejak 1900
1
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1620~1650 · 1 letusan · VEI maks. 01856~1886 · 1 letusan · VEI maks. 01886~1915 · 1 letusan · VEI maks. 016201679176818271886

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  1. 1915 (±40 tahun)VEI 0Perkiraan geologi
    1915-07-02 – akhir tidak diketahui
  2. 1860VEI 0Perkiraan geologi
    1860-07-02 – akhir tidak diketahui
  3. 1620VEI 0Perkiraan geologi
    1620 – akhir tidak diketahui

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