Kali Gendol Tak Mampu Lagi Tampung Material Merapi

Bisa Jadi Bencana Baru di Musim Hujan

REPUBLIKA.CO.ID, SLEMAN - Kepala Balai Penyelidikan dan Pengembangan Teknologi Kegunungapian (BPPTK) Yogyakarta, Subandrio, mengatakan, pascaerupsi besar 2010 kondisi aliran Sungai Gendol di Kabupaten Sleman sudah penuh dengan material lahar Gunung Merapi.

"Bahkan di beberapa titik yang kami pantau dengan citra satelit dan survei darat menunjukkan bahwa timbunan material vulkanik ini justru lebih tinggi dari kawasan di kiri-kanannya," katanya di Sleman, Rabu.

Ia mengemukakan, kondisi itu sangat rawan saat musim hujan mendatang. Jika terjadi banjir lahar, katanya, material itu bisa meluap ke berbagai tempat.

"Kondisi yang sama juga akan terjadi jika erupsi Gunung Merapi, dimana saat ini kawah puncak Merapi membuka lebar di sisi selatan atau mengarah ke Sungai Gendol sehingga aliran lahar dan awan panas besar kemungkinan melalui sungai ini," katanya.

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Kali Gendol Not Capable Material Capacity Again Merapi

REPUBLIKA.CO.ID, SLEMAN - Head of Central Investigation and Technology Development Kegunungapian (BPPTK) Yogyakarta, Subandrio, say, a big pascaerupsi 2010 Gendol river flow conditions in Sleman district was filled with material lava of Mount Merapi.

"Even at some point that we monitored with satellite imagery and ground surveys indicate that the deposits of volcanic material is actually higher than the area on either side," he said in Sleman, Wednesday.

He argues, conditions were very vulnerable during the upcoming rainy season. If there was a flood of lava, he said, the material could spill over to various places.

"The same conditions will also occur if the eruption of Mount Merapi, which is currently the peak of Merapi open wide crater on the south side or leading to Gendol River so that the flow of lava and hot clouds of possibility through this river," he said.