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San Martín Tuxtla

San Martin

Medan gunung api · Mexico · 1660 m

Volcán San Martín Tuxtla is a large edifice in the NE part of the basaltic Los Tuxtlas Volcanic Field on the coast of the Gulf of México. The summit and flanks contain more than 250 cones and maars. Two large eruptions took place in 1664 and 1793. The 1793 eruption occurred from two scoria cones in the 1-km-wide summit crater and produced widespread ashfall and lava flows that extended 3.5 km down the NE flank.
Volcán San Martín Tuxtla is a large edifice in the NE part of the basaltic Los Tuxtlas Volcanic Field on the coast of the Gulf of México. The summit and flanks contain more than 250 cones and maars. Two large eruptions took place in 1664 and 1793. The 1793 eruption occurred from two scoria cones in the 1-km-wide summit crater and produced widespread ashfall and lava flows that extended 3.5 km down the NE flank. · Foto: Photo by Steve Nelson, 1986 (Tulane University). · Wikimedia Commons
Tipe
Medan gunung api
Negara
Mexico
Wilayah
Middle America-Caribbean Volcanic Regions / Trans-Mexican Volcanic Arc
Ketinggian
1660 m
Koordinat
18.561, -95.199
Letusan terakhir
1796
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Trachybasalt / Tephrite Basanite
Ringkasan geologi

Volcán de San Martín, part of the Tuxtla Volcanic Field, is a broad alkaline shield volcano that rises above the Gulf of Mexico. The massive volcano, also known as San Martín Tuxtla, is elongated NW-SE and is capped by a 1-km-wide summit crater. The upper part of the volcano is covered with dense tropical rain forests. The summit and flanks contain more than 250 pyroclastic cones and maars. Well-preserved cinder cones are abundant between the summit and Laguna Catemaco on the SE flank. Holocene cones in this area produced ash deposits that buried stone pyramids. The two largest recorded eruptions took place in 1664 and 1793. The 1793 eruption occurred from two cinder cones in the summit crater and produced widespread ashfall and lava flows that extended 3.5 km down the NE flank.

Ringkasan Wikipedia

Ringkasan Inggris

The isolated San Martin Tuxtla volcano is a shield volcano which rises above the Gulf of Mexico. It has had eruptions in historical times. It occurs in the Tuxtla volcanic field in Veracruz, Mexico. Lavas from San Martin vary between basanite and alkali basalt. Locally the volcano is also known as Tiltépetl.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
3440 BCE~3241 BCE · 1 letusan · VEI maks. ?2246 BCE~2047 BCE · 1 letusan · VEI maks. ?1450 BCE~1251 BCE · 1 letusan · VEI maks. ?853 BCE~655 BCE · 1 letusan · VEI maks. ?257 BCE~58 BCE · 1 letusan · VEI maks. ?58 BCE~141 · 1 letusan · VEI maks. ?340~539 · 2 letusan · VEI maks. ?738~937 · 1 letusan · VEI maks. ?1335~1534 · 1 letusan · VEI maks. ?1534~1733 · 1 letusan · VEI maks. 31733~1932 · 5 letusan · VEI maks. 43440 BCE2047 BCE853 BCE5391733

Garis waktu rinci

  1. 1932VEI ?Perkiraan geologi
    1932-12-31 – Berlangsung
  2. 1838VEI ?Perkiraan geologi
    1838 – Berlangsung
  3. 1797VEI 2Perkiraan geologi
    1797 – 1805
  4. 1794VEI 2Teramati
    1794-05 – 1796
  5. 1793VEI 4Teramati
    1793-03-02 – 1793-12
    Cinder cones in summit crater
  6. 1664VEI 3Teramati
    1664-01-15 – Berlangsung
    SE flank
  7. 1534VEI ?Perkiraan geologi
    1534 – Berlangsung
  8. 890 (±40 tahun)VEI ?Perkiraan geologi
    890 – Berlangsung
  9. 480 (±50 tahun)VEI ?Perkiraan geologi
    480 – Berlangsung
  10. 380 (±75 tahun)VEI ?Perkiraan geologi
    380 – Berlangsung
    South flank
  11. 120 (±200 tahun)VEI ?Perkiraan geologi
    120 – Berlangsung
    South flank (Cerro Puntiagudo)
  12. 150 SM (±300 tahun)VEI ?Perkiraan geologi
    BCE 150 – Berlangsung
    South flank
  13. 750 SM (±40 tahun)VEI ?Perkiraan geologi
    BCE 750 – Berlangsung
  14. 1320 SM (±300 tahun)VEI ?Perkiraan geologi
    BCE 1320 – Berlangsung
    South flank (Cerro Mono Blanco)
  15. 2130 SM (±50 tahun)VEI ?Perkiraan geologi
    BCE 2130 – Berlangsung
  16. 3440 SM (±50 tahun)VEI ?Perkiraan geologi
    BCE 3440 – Berlangsung

Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.