Indonesia · Stratovulcano
Dempo
- Tipo
- Stratovulcano
- Altitudine
- 3142 m
- Ultima eruzione
- 2025
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- Tipo
- Stratovulcano
- Paese
- Indonesia
- Regione
- Sunda e Banda / Sunda Volcanic Arc
- Altitudine
- 3142 m
- Coordinate
- -4.016, 103.121
- Ultima eruzione
- 2025
- Contesto tettonico
- Zona di subduzione / Crosta continentale (> 25 km)
- Forma vulcanica
- Composito
- Roccia principale
- Andesite / Andesite basaltica
Sintesi geologica
Dempo is a stratovolcano that rises above the Pasumah Plain of SE Sumatra. The andesitic complex has two main peaks, Gunung Dempo and Gunung Marapi, constructed near the SE rim of a 3-km-wide amphitheater open to the north. The high point of the older Gunung Dempo crater rim is slightly lower, and lies at the SE end of the summit complex. The taller Marapi cone was constructed within the older crater. Remnants of seven craters are found at or near the summit, with volcanism migrating WNW over time. The active 750 x 1,100 m active crater cuts the NW side of the Marapi cone and contains a 400-m-wide lake at the far NW end. Eruptions recorded since 1817 have been small-to-moderate explosions that produced local ashfall.
Storia delle eruzioni
33 registrateGlossarioCronologia dettagliata
- 2025VEI 2Osservata2025-08-07 – 2025-08-29
- 2024VEI 1Osservata2024-05-27 – 2024-05-31
- 2024VEI 1Osservata2024-11-23 – 2025-02-02
- 2023VEI 2Osservata2023-07-25 – 2023-08-21
- 2022VEI 1Osservata2022-05-31 – 2022-05-31
- 2017VEI 1Osservata2017-11-09 – 2017-11-09Summit crater
- 2009VEI 1Osservata2009-01-01 – 2009-01-01
- 2006VEI 1Osservata2006-09-25 – 2006-09-25
- 1994VEI 1Osservata1994-10-16 – 1994-10-16
- 1974VEI 2Osservata1974-02-26 – 1974-10-20
- 1973VEI 2Osservata1973-01-24 – 1973-01-25
- 1964VEI 2Osservata1964-02-14 – 1964-02-14
- 1940VEI 2Osservata1940-07-16 – fine sconosciuta
- 1939VEI 2Osservata1939-07-18 – 1939-07-30
- 1939VEI 2Osservata1939-12-19 – 1940-02-21
- 1936VEI 2Osservata1936-11-26 – 1936-11-27
- 1934VEI 2Osservata1934-01-24 – 1934-04-25
- 1926VEI 2Osservata1926-04-22 – 1926-04-24
- 1923VEI 1Osservata1923-05-19 – 1923-05-19
- 1921VEI 1Osservata1921-04-16 – 1921-04-16
- 1908VEI 2Osservata1908-02-16 – 1908-02-17
- 1905VEI 0Osservata1905-07-02 – fine sconosciuta
- 1900VEI 2Osservata1900-06-04 – 1900-06-04
- 1900VEI 2Osservata1900-10-26 – 1900-10-27
- 1895VEI 2Osservata1895-07-02 – 1895-09-30
- 1884VEI 2Osservata1884-06-16 – 1884-07-16
- 1881VEI 2Osservata1881-02-16 – fine sconosciuta
- 1881VEI 2Osservata1881-12-16 – 1881-12-16
- 1880VEI 2Osservata1880-05-16 – fine sconosciuta
- 1879VEI 2Osservata1879-05-18 – fine sconosciuta
- 1853VEI 2Osservata1853-01-01 – fine sconosciuta
- 1839VEI 2Osservata1839-07-02 – fine sconosciuta
- 1817VEI 2Osservata1817-12-31 – fine sconosciuta
Vulcani nelle vicinanze
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