The history of the outburst of the Kelut is very monotonous. Each eruption has caused Lahans and these mudheaps always Tork retains, desa's destroyed and in the last time also planta terms.
When we venture a calculation of the amount of the ejected ash and punice, then it goes without saying, that we can only estimate. The statements concerning the amount of the fallen-down ash, are mostly inaccurate and incomplete. Moreover, when we are willing to fix the correct amount of ash, we ought to know the specific gravity and to take into account the thickness of the locally fallen ash …
According to the traditions the mountains spirit, who is housing in the reality of bleta, is peculiarly malicious and he possesses several mischiefs.
The outbursts are always accompannied by gaseruptions, which escape with thrumbling noise and the foraing of flash of lightnings. From the stories of Junghuhn (see p.95-96) appears, that during earlier outbursts the thunder claps were observed till great distances from the crater (Kalimantan) (Fron Banjarmasin this time also detonations were reported from the Kelut outburst). Also during there …
Lyewitnesses. Among all stories, that of Keuls, Administrater, coffee land Candisewu seems to the most likely. His residence in situating near along the eoge of the lahar Badak on half the elevation of the mountain (see plate n. 1 and 2), he could in time flee to a safe small spot and was therefore in the position to observe closely the whole event.
G. Kelut merupakan salah satu gunungapi yang sangat berbahaya di Jawa Timur. Setelah letusannya yang terakhir pada 26 April 1966, hingga saat ini masih tetap tenang. Meskipun telah istirahat selama lebih dari 22 tahun. Diperkirakan pada waktu sekarang ini gunungapi tersebut telah memasuki masa yang diperkirakan akan giat kembali. Oleh karena itu, sejak beberapa tahun yang lalu sistem pengamata…
Sebagai tindak lanjut monitoring pengukuran deformasi G. Lamongan telah dibuat lintasan pengukuran levelling sekitar Curah Buntu untuk arah utara-selatan dan timur-barat.
Evaluasi kegiatan G. Kelut dimaksudkan untuk mengetahui hasil dari pemantauan kegiatan seismik dan visual berupa pengukuran suhu air danau kawah, pemeriksaan sekitar kawah, dan pengambilan contoh gas.
G. Kelut terakhir meletus pada 10 Februari 1990, setelah lebih dari 5 tahun setelah kejadian tersebut, perlu dievaluasi dan didata ulang berbagai aspek yang menyangkut perkembangan pemukiman, pembangunan, dan semua usaha penanggulangan bahayanya.