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Porak

Campo volcánico · Armenia-Azerbaijan · 3029 m

A lava flow extends across the foreground from a cone within the Porak volcanic field, located along the Vardeniss volcanic ridge about 20 km SE of Lake Sevan. The volcanic field straddles the Armenia/Azerbaijan border, and lava flows extend into both countries. This lava flow is the youngest of the volcanic field. Another flow from the same cone (located in Armenia) flowed into Lake Alagyol in Azerbaijan. Archaeological and historical evidence indicates several eruptions occurred during the Holocene.
A lava flow extends across the foreground from a cone within the Porak volcanic field, located along the Vardeniss volcanic ridge about 20 km SE of Lake Sevan. The volcanic field straddles the Armenia/Azerbaijan border, and lava flows extend into both countries. This lava flow is the youngest of the volcanic field. Another flow from the same cone (located in Armenia) flowed into Lake Alagyol in Azerbaijan. Archaeological and historical evidence indicates several eruptions occurred during the Holocene. · Foto: Photo by Jim Luhr, 2004 (Smithsonian Institution). · Wikimedia Commons
Tipo
Campo volcánico
País
Armenia-Azerbaijan
Región
Arabia-Central Asia Volcanic Regions / Caucasus Volcanic Province
Altitud
3029 m
Coordenadas
40.028, 45.740
Última erupción
-778
Contexto tectónico
Intraplate / Continental crust (> 25 km)
Forma volcánica
Cluster
Roca principal
Andesite / Basaltic Andesite
Resumen geológico

The mid-Pleistocene Porak volcano lies in the Vardenis volcanic highland about 20 km SE of Lake Sevan. The volcanic field straddles the Armenia/Azerbaijan border, and lava flows extend into both countries. The flanks contain 10 satellitic cones and fissure vents. It was constructed along the active Pambak-Sevan strike-slip fault, which has bisected the mid-Pleistocene Khonarassar volcano, separating its two halves by about 800 m. Two large lava flows traveled up to 21 km north and NW, and fresh-looking lava flows form peninsulas extending into Lake Alagyol. Fifth century BCE petroglyphs were interpreted to depict volcanic eruptions (Karakhanian et al., 2002). Porak is referred to in a cuneiform inscription as Mount Bamni, and stratigraphic and archeological evidence indicates that an explosive eruption also producing a lava flow occurred at the time of a military battle dated to 782-773 BCE.

Resumen de Wikipedia

Porak es un estratovolcán situado en la cordillera volcánica Vardenis a unos 20 kilómetros al SE del lago Sevan, en la frontera entre Armenia y Azerbaiyán. El campo volcánico se extiende a ambos lados de la frontera, y los flujos de lava se extienden en ambos países. Los flancos del volcán están salpicados de 10 conos satélite y de fisuras que funcionan como respiraderos.

Wikipedia · CC BY-SA · Leer artículo completo

Historial de erupciones

Resumen (VEI en el tiempo)
Haga clic en una barra para ver erupciones individuales
4510 BCE~4312 BCE · 1 erupciones · VEI máx. ?938 BCE~740 BCE · 2 erupciones · VEI máx. ?4510 BCE3518 BCE2724 BCE1732 BCE938 BCE

Línea de tiempo detallada

  1. 740 a. C. (±2 años)VEI ?Estimación geológica
    BCE 740 – En curso
  2. 778 a. C. (±5 años)VEI ?Estimación geológica
    BCE 778 – En curso
    SW flank
  3. 4510 a. C. (±300 años)VEI ?Estimación geológica
    BCE 4510 – En curso

Enlaces externos

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