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Unnamed submarine volcano in the eastern Pacific Ocean

Northern EPR at 9.8°N

Fisura volcánica · Undersea Features · 2500 m (submarino)

Fluid containing precipitates rises from a "black smoker" chimney at the Tica vent at 9°N on the East Pacific Rise, photographed during a 2004 expedition sponsored by the National Science Foundation. Hot-vent animal communities (such as seen in the foreground of this image from the November to December 1989 expedition) were observed to have been buried by lava flows in 1991. Another eruption in 2005-2006 produced lava flows that covered seismometers.
Fluid containing precipitates rises from a "black smoker" chimney at the Tica vent at 9°N on the East Pacific Rise, photographed during a 2004 expedition sponsored by the National Science Foundation. Hot-vent animal communities (such as seen in the foreground of this image from the November to December 1989 expedition) were observed to have been buried by lava flows in 1991. Another eruption in 2005-2006 produced lava flows that covered seismometers. · Foto: Photo courtesy of Ridge2000, 2004 (http://www.ridge2000.org/eo/expeditions.php).
Tipo
Fisura volcánica
País
Undersea Features
Región
Eastern Pacific Volcanic Regions / Northern East Pacific Rise Volcanic Province
Altitud
2500 m (submarino)
Coordenadas
9.830, -104.300
Última erupción
2025
Contexto tectónico
Rift zone / Oceanic crust (< 15 km)
Forma volcánica
Cluster
Roca principal
Basalt / Picro-Basalt
Resumen geológico

A series of dives with the submersible Alvin in 1991 on the East Pacific Rise at about 9°50'N detected evidence for a very recent, possibly ongoing, eruption. Hot-vent animal communities documented during November-December 1989 had been buried by fresh basaltic lava flows, and the scorched soft tissues of partially buried biota had not yet attracted bottom scavengers. Fresh black smoker chimneys and new lava flows were present. This site is south of the Clipperton Fracture Zone at a depth of about 2,500 m, and about 1,000 km SW of Acapulco, México; the south end of the Lamont Seamount chain is about 10 km NW. This is also the location where lava flows previously estimated as being less than roughly 50 years old had been found. Later dating using very short half-life radionuclides from dredged samples confirmed the young age of the eruption and indicated that another eruptive event had taken place in late 1991 and early 1992. An eruption in 2005-2006 produced lava flows that entrapped previously emplaced seismometers.

Historial de erupciones

Resumen (VEI en el tiempo)
Haga clic en una barra para ver erupciones individuales
5050 BCE~4814 BCE · 1 erupciones · VEI máx. 04107 BCE~3871 BCE · 1 erupciones · VEI máx. 03163 BCE~2927 BCE · 1 erupciones · VEI máx. 02220 BCE~1984 BCE · 1 erupciones · VEI máx. 01277 BCE~1041 BCE · 1 erupciones · VEI máx. 097 BCE~138 · 1 erupciones · VEI máx. 0846~1082 · 2 erupciones · VEI máx. 01082~1318 · 1 erupciones · VEI máx. 01553~1789 · 2 erupciones · VEI máx. 01789~2025 · 7 erupciones · VEI máx. 05050 BCE3399 BCE1512 BCE1381789

Línea de tiempo detallada

  1. 2025VEI 0Observado
    2025-04-28 – 2025-04-29
    Tica hydrothermal vent, 9°50’N (9.83°N)
  2. 2005VEI 0Observado
    2005-08-16 – 2006-01-16
    East Pacific Rise (9.8°N)
  3. 1991VEI 0Estimación geológica
    1991-01-27 – 1991-03-26
    East Pacific Rise (9.84°N)
  4. 1991VEI 0Estimación geológica
    1991-12-01 – 1992-02-05
    East Pacific Rise (9.84°N)
  5. 1988VEI 0Observado
    1988-07-02 – En curso
    East Pacific Rise (9.27°N)
  6. 1950VEI 0Estimación geológica
    1950-07-02 – En curso
    East Pacific Rise (9.87°N)
  7. 1875VEI 0Estimación geológica
    1875 – En curso
    East Pacific Rise (9.9°N)
  8. 1650 (±100 años)VEI 0Estimación geológica
    1650 – En curso
    East Pacific Rise (9.82°N)
  9. 1600 (±150 años)VEI 0Estimación geológica
    1600 – En curso
    East Pacific Rise (9.87°N)
  10. 1200 (±300 años)VEI 0Estimación geológica
    1200 – En curso
    East Pacific Rise (9.82°N)
  11. 950 (±2000 años)VEI 0Estimación geológica
    950 – En curso
    East Pacific Rise (9.5°N)
  12. 850 (±200 años)VEI 0Estimación geológica
    850 – En curso
    East Pacific Rise (9.87°N)
  13. 50 a. C. (±2000 años)VEI 0Estimación geológica
    BCE 50 – En curso
    East Pacific Rise (9.5°N)
  14. 1050 a. C. (±2000 años)VEI 0Estimación geológica
    BCE 1050 – En curso
    East Pacific Rise (9.5°N)
  15. 2050 a. C. (±2000 años)VEI 0Estimación geológica
    BCE 2050 – En curso
    East Pacific Rise (9.5°N)
  16. 3050 a. C. (±2000 años)VEI 0Estimación geológica
    BCE 3050 – En curso
    EPR axis and East of axis
  17. 4050 a. C. (±2000 años)VEI 0Estimación geológica
    BCE 4050 – En curso
    East Pacific Rise (9.5°N)
  18. 5050 a. C. (±8000 años)VEI 0Estimación geológica
    BCE 5050 – En curso
    EPR axis and East and West of axis

Enlaces externos

⚠ Solo como referencia. No apto para respuesta ante emergencias.