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Nyamuragira

Nyamulagira

Gunung api perisai · DR Congo · 3058 m

The summit of Nyamuragira volcano is truncated by 2 x 2.3 km wide caldera whose floor is partially covered by unvegetated historical lava flows. This view from above the SW caldera rim shows a crater on the far side of the caldera (upper left) that was the site of a lava lake, active since at least 1921, which drained in 1938 at the time of a major flank eruption.
The summit of Nyamuragira volcano is truncated by 2 x 2.3 km wide caldera whose floor is partially covered by unvegetated historical lava flows. This view from above the SW caldera rim shows a crater on the far side of the caldera (upper left) that was the site of a lava lake, active since at least 1921, which drained in 1938 at the time of a major flank eruption. · Foto: Photo by Simon Carn, 2004 (TOMS Volcanic Emissions Group, University of Maryland, Baltimore County). · Wikimedia Commons
Tipe
Gunung api perisai
Negara
DR Congo
Wilayah
Eastern Africa Volcanic Regions / Albertine Rift Volcanic Province
Ketinggian
3058 m
Koordinat
-1.408, 29.200
Letusan terakhir
2026
Kondisi tektonik
Rift zone / Continental crust (> 25 km)
Bentuk lahan
Shield
Batuan utama
Trachybasalt / Tephrite Basanite
Ringkasan geologi

Africa's most active volcano, Nyamulagira (also known as Nyamuragira), is a massive high-potassium basaltic shield about 25 km N of Lake Kivu and 13 km NNW of the steep-sided Nyiragongo volcano. The summit is truncated by a small 2 x 2.3 km caldera that has walls up to about 100 m high. Documented eruptions have occurred within the summit caldera, as well as from the numerous flank fissures and cinder cones. A lava lake in the summit crater, active since at least 1921, drained in 1938, at the time of a major flank eruption. Recent lava flows extend down the flanks more than 30 km from the summit as far as Lake Kivu; extensive lava flows from this volcano have covered 1,500 km2 of the western branch of the East African Rift.

Ringkasan Wikipedia

Gunung Nyamuragira, juga dikenal sebagai Nyamulagira, adalah gunung berapi perisai aktif di Pegunungan Virunga di Republik Demokratik Kongo, terletak sekitar 25 kilometer di utara Danau Kivu. Nama ini berasal dari Bahasa Kinyarwanda Bantu Kuragira nyamu ; nyamu artinya "binatang" atau "sapi".

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
1550~1597 · 1 letusan · VEI maks. ?1831~1878 · 1 letusan · VEI maks. ?1878~1924 · 16 letusan · VEI maks. 31924~1971 · 10 letusan · VEI maks. 31971~2018 · 21 letusan · VEI maks. 315501644178418781971

Garis waktu rinci

  1. 2018VEI 0Teramati
    2018-04-14 – 2026-03-16
    Summit caldera
  2. 2016VEI 0Teramati
    2016-11-27 – 2017-05-02
    Summit crater
  3. 2014VEI 0Teramati
    2014-06-22 – 2016-05-14
    Summit crater
  4. 2011VEI 2Teramati
    2011-11-06 – 2012-03-16
    NW flank
  5. 2010VEI 1Teramati
    2010-01-02 – 2010-01-29
    Summit caldera and SSE flank
  6. 2006VEI 2Teramati
    2006-11-27 – 2006-12-05
    South flank
  7. 2004VEI 2Teramati
    2004-05-08 – 2004-05-28
    Summit and NNW flank
  8. 2002VEI 2Teramati
    2002-07-25 – 2002-09-16
    Summit caldera, north & south flanks
  9. 2001VEI 2Teramati
    2001-02-06 – 2001-04-05
    North and SSE flanks
  10. 2000VEI 2Teramati
    2000-01-27 – 2000-02-10
    SE flank (Ngerageze)
  11. 1998VEI 2Teramati
    1998-10-17 – 1998-10-25
  12. 1996VEI 3Teramati
    1996-12-01 – 1996-12-05
  13. 1994VEI 2Teramati
    1994-07-04 – 1994-08-25
    West flank (Kimera) and summit
  14. 1991VEI 3Teramati
    1991-09-20 – 1993-02-08
    NE flank 1530 m (Mikombe)
  15. 1989VEI 3Teramati
    1989-04-24 – 1989-08-15
    Summit, SE and East flank
  16. 1987VEI 1Teramati
    1987-12-30 – 1988-01-04
    North Flank (Gafuranindi)
  17. 1986VEI 2Teramati
    1986-07-16 – 1986-08-20
    South flank (near Kitazungurwa)
  18. 1984VEI 2Teramati
    1984-02-23 – 1984-03-14
    NW flank (Kivandimwe)
  19. 1981VEI 3Teramati
    1981-12-25 – 1982-01-14
    SE flank (Rugarambiro)
  20. 1980VEI 3Teramati
    1980-01-30 – 1980-02-24
    North flank (Gasenyi)
  21. 1976VEI 1Teramati
    1976-12-23 – 1977-06-15
    SSW flank (Murara and Harakandi)
  22. 1971VEI 3Teramati
    1971-03-24 – 1971-05-05
    WNW flank (Rugarama)
  23. 1967VEI 2Teramati
    1967-04-23 – 1967-05-09
    North flank (Gakararanga)
  24. 1958VEI 2Teramati
    1958-08-07 – 1958-11-21
    North flank (Kitsimbanyi), NNW rift
  25. 1957VEI 0Teramati
    1957-12-28 – Berlangsung
    Summit caldera and SSE fissure zone
  26. 1956VEI 1Teramati
    1956-11-17 – 1956-11-18
    Summit caldera and NNW fissure zone
  27. 1954VEI 1Teramati
    1954-02-21 – 1954-05-28
    SSE fissure zone (Mihaga)
  28. 1951VEI 1Teramati
    1951-07-25 – 1951-07-28
    SW flank (Gituro)
  29. 1951VEI 2Teramati
    1951-11-16 – 1952-01-16
    NNW fissure zone (Shabubembe-Ndakaza)
  30. 1948VEI 2Teramati
    1948-03-01 – 1948-07-15
    SW flank (Gituro, Muhuboli), N flank
  31. 1938VEI 1Teramati
    1938-01-28 – 1940-06-25
    Summit, SE and SW flanks (Tshambene)
  32. 1921VEI 0Teramati
    1921 – 1938-01-17
    Caldera
  33. 1920VEI 0Teramati
    1920 – Berlangsung
    SSW flank (Lake Kivu)
  34. 1912VEI 3Teramati
    1912-12-03 – 1913-04
    SW flank (Rumoka), and summit
  35. 1909VEI 1Teramati
    1909-05 – 1909-05
    Summit caldera
  36. 1908VEI ?Teramati
    1908 – Berlangsung
    Summit caldera
  37. 1907VEI 1Teramati
    1907-04 – 1907-05
    Summit caldera
  38. 1907VEI 3Teramati
    1907-11-07 – 1907-12-05
    Summit caldera
  39. 1906VEI 1Perkiraan geologi
    1906 – Berlangsung
    Summit caldera
  40. 1905VEI 2Teramati
    1905-07-22 – 1905-09-25
    East flank (Kanamaharagi)
  41. 1904VEI 2Teramati
    1904-04 – 1904-05-16
    SW flank (Nahimbi)
  42. 1902VEI 0Teramati
    1902-04-22 – Berlangsung
    SSE fissure zone
  43. 1901VEI 2Teramati
    1901 – Berlangsung
    East flank (Singiro)
  44. 1899VEI 1Teramati
    1899-02 – Berlangsung
    NNW fissure zone
  45. 1896VEI 1Teramati
    1896 – Berlangsung
  46. 1894VEI 2Teramati
    1894-06 – Berlangsung
  47. 1882VEI ?Teramati
    1882 – Berlangsung
    North flank
  48. 1865VEI ?Teramati
    1865 – Berlangsung
  49. 1550 (±100 tahun)VEI ?Perkiraan geologi
    1550 – Berlangsung

Tautan eksternal

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