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Gunung Lawu

Lawu

Stratovolkan · Indonesia · 3265 m

Lawu dominates the skyline east of the city of Surakarta (Solo). This view is from the south, with a white plume rising from a thermal area at the center of the photo. Lawu was constructed to the north of an older complex during the Holocene. A rift valley between the two volcanoes is occupied on the east by several crater lakes.
Lawu dominates the skyline east of the city of Surakarta (Solo). This view is from the south, with a white plume rising from a thermal area at the center of the photo. Lawu was constructed to the north of an older complex during the Holocene. A rift valley between the two volcanoes is occupied on the east by several crater lakes. · Foto: Photo by J. Matehelumual, 1979 (Volcanological Survey of Indonesia). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Indonesia
Wilayah
Sunda-Banda Volcanic Regions / Sunda Volcanic Arc
Ketinggian
3265 m
Koordinat
-7.625, 111.192
Letusan terakhir
Tidak diketahui
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

The Lawu volcanic complex includes a deeply eroded volcano to the south joined to a younger edifice to the north considered by van Bemmelen (1949b) to be probably Holocene. No eruptions or dated deposits are known, but it was mapped by Sampurno and Samodra (1997) as Holocene. The southern end of the broad 3-km-long summit of the younger edifice contains eroded crater rims and a lava dome that fed flows 3.5 km down the S flank. A fumarolic area is also located on the S flank. A small cone with a crater is present on the lower SE flank of the older edifice, ~19 km from the summit. An event was reported in November 1885 CE, with booms, rumbling sounds, and "ash rain" later in the day; this was similar to a landslide reported in 1978. A major eruption attributed to Lawu in 1752 CE was actually from Kelud volcano.

Ringkasan Wikipedia

Gunung Lawu adalah sebuah gunung berapi aktif yang terletak di Pulau Jawa, tepatnya di perbatasan Jawa Tengah dan Jawa Timur, Indonesia. Gunung Lawu memiliki ketinggian sekitar 3.265 mdpl, ketinggian tersebut menjadikan Gunung Lawu masuk dalam 7 Summit of Java. Gunung Lawu terletak di antara tiga kabupaten, yaitu Karanganyar di Jawa Tengah, Ngawi, dan Magetan di Jawa Timur. Status gunung ini adalah gunung api "istirahat", yang diperkirakan terakhir meletus pada tanggal 28 November 1885 dan telah lama tidak aktif, terlihat dari rapatnya vegetasi serta puncaknya yang tererosi. Studi pada 2019 tentang geothermal heat flow menyimpulkan bahwa Gunung Lawu masih aktif sampai sekarang. Pada tahun 1978, serangkaian gempa bumi dilaporkan dirasakan diarea sekitar Gunung Lawu dan diikuti oleh suara mirip dentuman dari arah gunung. Gunung Lawu merupakan salah satu gunung terdingin di Jawa, setelah Gunung Semeru dan Gunung Slamet yang merupakan titik terdingin di Jawa.

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