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Begini Tampilan Gunung Indonesia dari Luar Angkasa Seorang geofisikawan Amerika sekaligus astronot NASA, Andrew Jay Feustel, membagikan sebuah potret gunung-gunung di Indonesia dari Stasiun Luar Angkasa Internasional (ISS), lewat akun Twitter pribadinya.
Foto tersebut memperlihatkan potret pemandangan deretan puncak gunung-gunung tinggi yang tersebar di Pulau Jawa hingga Kepulauan Sunda kecil yang menembus gumpalan awan.
"Ini adalah #Indonesia sebagaimana dilihat dari @Space_Station. Dengan awan yang rendah, mudah untuk melihat puncak gunung-gunung berapi yang berada di zona subduksi Sunda Megathrust (Selat Sunda) yang terbentang di perbatasan tektonik lempeng Indo-Australia dan Eurasia," tulis Feustel dalam keterangan di foto unggahannya.
Zona subduksi Selat Sunda sendiri adalah sesar yang memiliki luasan sekitar 5.500 km dari Myanmar di utara, menuju ke barat daya wilayah Sumatera dan berlanjut ke selatan Jawa dan Bali sebelum berakhir dekat Australia. Ini adalah salah satu megathrust yang berada di batas lempeng konvergen di mana merupakan zona pertemuan antara lempeng Eurasia yang ditujam oleh lempeng Indo-Australia.
Lewat unggahan foto astronot Feustel ini menunjukkan bahwa gunung-gunung berapi Indonesia berada di salah satu zona struktur paling aktif di Bumi, yang menyebabkan banyak terjadinya gempa bumi besar.
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