Vanuatu · Stratovolkan
Lopevi
- Tipe
- Stratovolkan
- Ketinggian
- 1413 m
- Letusan terakhir
- 2007
- Tipe
- Stratovolkan
- Negara
- Vanuatu
- Wilayah
- Pasifik Barat Daya / Vanuatu Volcanic Arc
- Ketinggian
- 1413 m
- Koordinat
- -16.507, 168.346
- Letusan terakhir
- 2007
- Kondisi tektonik
- Zona subduksi / Kerak menengah (15-25 km)
- Bentuk lahan
- Komposit
- Batuan utama
- Basal / Pikrobasal
Ringkasan geologi
The small 7-km-wide conical island of Lopevi, known locally as Vanei Vollohulu, is one of Vanuatu's most active volcanoes. A small summit crater containing a cinder cone is breached to the NW and tops an older cone that is rimmed by the remnant of a larger crater. The basaltic-to-andesitic volcano has been active during historical time at both summit and flank vents, primarily along a NW-SE-trending fissure that cuts across the island, producing moderate explosive eruptions and lava flows that reached the coast. Historical eruptions at the 1413-m-high volcano date back to the mid-19th century. The island was evacuated following major eruptions in 1939 and 1960. The latter eruption, from a NW-flank fissure vent, produced a pyroclastic flow that swept to the sea and a lava flow that formed a new peninsula on the western coast.
Riwayat letusan
32 tercatatGlosariumGaris waktu rinci
- 2014VEI ?Teramati2014-12-01 – 2014-12-15
- 2008VEI 2Metode tidak dinyatakan2008-02-24 – 2008-02-24
- 2007VEI 2Teramati2007-04-21 – 2007-05-14
- 2005VEI 2Teramati2005-01-30 – 2005-03-31
- 2005VEI 2Teramati2005-10-27 – 2006-08-01
- 2004VEI 2Teramati2004-09-16 – 2004-09-16
- 2003VEI 3Teramati2003-06-08 – 2003-06-16
- 2001VEI 3Teramati2001-06-08 – 2001-06-19NW flank (200-400 m)
- 1998VEI 3Teramati1998-07-16 – 2000-04-251963 crater (NW flank 1000 m)
- 1982VEI 2Teramati1982-10-24 – 1982-10-25
- 1980VEI 3Teramati1980-04-15 – 1980-08-20Summit, NW and SE flanks
- 1979VEI 2Teramati1979-07-02 – 1979-09-12NW flank
- 1978VEI 2Teramati1978-11-22 – 1979-03-16Summit and NW flank
- 1976VEI 1Teramati1976-05-01 – 1976-09-05
- 1975VEI 2Teramati1975-03-06 – 1975-06-23Summit and NW flank
- 1974VEI 2Teramati1974-01-16 – 1974-10-07Summit and NW flank
- 1970VEI 2Teramati1970-05-09 – 1972-08-07Summit, NW and east flanks
- 1967VEI 3Teramati1967-01-27 – 1969-03-31Summit and NW flank
- 1963VEI 3Teramati1963-07-07 – 1965-07-02Summit, NW, north, east and SE flanks
- 1962VEI 0Teramati1962-07-16 – 1962-07-16NW flank
- 1960VEI 3Teramati1960-07-10 – 1960-09-16NW flank (640 m)
- 1939VEI 2Teramati1939-02-02 – akhir tidak diketahuiNW and SE flanks
- 1939VEI 2Teramati1939-11-01 – akhir tidak diketahuiNW and/or SW flanks
- 1933VEI ?Teramati1933-07-02 – akhir tidak diketahui
- 1922VEI 2Teramati1922-06-28 – 1922-07-01
- 1908VEI 2Teramati1908-07-02 – akhir tidak diketahui
- 1898VEI 2Teramati1898-06-03 – 1898-07-24
- 1892VEI 2Teramati1892-10-16 – 1893-07-02
- 1883VEI ?Teramati1883-07-02 – 1884-07-02
- 1874VEI 2Teramati1874-07-02 – akhir tidak diketahui
- 1864VEI 3Teramati1864-06-09 – akhir tidak diketahui
- 1863VEI 2Teramati1863-07-02 – akhir tidak diketahui
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