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Pulau Asuncion

Asuncion

Stratovolkan · United States · 857 m

An aerial view from the SW shows the upper slopes of Asuncion in the northern Mariana Islands. It forms a circular 3-km-wide island that has had no permanent residents since the late 17th century. An explosive eruption in 1906 produced lava flows that descended about halfway down the W and S flanks.
An aerial view from the SW shows the upper slopes of Asuncion in the northern Mariana Islands. It forms a circular 3-km-wide island that has had no permanent residents since the late 17th century. An explosive eruption in 1906 produced lava flows that descended about halfway down the W and S flanks. · Foto: Photo by Richard Moore, 1992 (U.S. Geological Survey). · Wikimedia Commons
Tipe
Stratovolkan
Negara
United States
Wilayah
Northwestern Pacific Volcanic Regions / Mariana Volcanic Arc
Ketinggian
857 m
Koordinat
19.671, 145.406
Letusan terakhir
1906
Kondisi tektonik
Subduction zone / Crustal thickness unknown
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

A single large asymmetrical stratovolcano forms 3-km-wide Asuncion Island. The steeper NE flank terminates in high sea cliffs, while the gentler SW flanks have low-angle slopes bounded by sea cliffs only a few meters high. The southern flank is cut by a large landslide scar. The S and W flanks are covered by ash deposits. An explosive eruption in 1906 produced lava flows that descended about halfway down the W and SE flanks, but several other eruption reports are of uncertain validity.

Ringkasan Wikipedia

Asuncion adalah pulau paling utara ketiga di Kepulauan Mariana Utara di Samudra Pasifik. Pulau itu tidak berpenghuni dan terletak 101 kilometer (63 mi) barat laut Agrihan dan 37 km (23 mi) tenggara Kepulauan Maug.

Wikipedia · CC BY-SA · Baca artikel lengkap →

Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
1690~1713 · 1 letusan · VEI maks. ?1760~1784 · 1 letusan · VEI maks. 21901~1924 · 2 letusan · VEI maks. 216901737180718541901

Garis waktu rinci

  1. 1924VEI 2Perkiraan geologi
    1924 – Berlangsung
  2. 1906VEI 2Teramati
    1906 – Berlangsung
    Upper SE and W flanks
  3. 1775 (±10 tahun)VEI 2Perkiraan geologi
    1775 – Berlangsung
  4. 1690 (±10 tahun)VEI ?Perkiraan geologi
    1690 – Berlangsung

Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.