Pengamatan seismik G.Banda Api secara teratur dilakukan sejak Mei 1984. Alat ayng dipergunakan adalah seismograp elektromaknit satu komponen tegak. Sebelumnya adalah seismograp mekanik Splinder & Hoyer komponen tegak dan satu komponen seismograp elektromaknit.
The crater of the Lamongan vas visited for the last time in July 1925. Although since that tine no reports on abnornal phenomena were received, the crater was again reconnoitred at the beginning of February 1924, as we must be always on our alert, that the rostful situation of these previously so active volcano suddenly might change.
Menurut SPPD No. 2368/P/84, pada bulan Nopember 1984, pe-nulis melakukan tugas pengukuran suhu Ili Werung di daerah Flores Timur. Pemeriksaan tersebut adalah untuk me ngetahui aktifitas kegiatan Ili Werung. Gunungapi ini terletak di Pulau Lomblen. Tipe gunungapi Strato. Tinggi gunung di atas laut 1018 Meter. Posisi Geografi : 8° 32 24 Lintang Selatan 123° 35 24 Bujur Timur (Hartmann). Termasu…
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.
Dengan Surat Perintah Perjalanan Dinas No.2330/P/84, tertanggal Bandung, 6 Nopember 1984 penulis ditugaskan ke daerah G. Agung, Bali. Maksud penugasan tersebut untuk membuat/memasang pilar/tugu ketinggian Pos Pengamatan G.Agung di Budakeling/Bali dan mengadakan pengukuran di daerah Budakeling, untuk mengetahui lokasi dan ketinggian tersebut dengan tepat.
'He is above evrything treacherous; sneaky as a reptile, gloomy as a 'fairy tale of mourning; apparently he is restful even years and 'years, and therefore again alluring to trust, until he on the most unexpected moment bursts open, his terrible muzzle dilates, and the 'most horrible imaginable prehistoric monster vomits many horrors." In this way Vissering portrays us the psychology of the Kel…
Dengan surat perintah No. 401/P/84 tanggal 4 Mei 1984 penulis ditugaskan untuk melakukan pekerjaan antara lain ialah :Mencari data kegiatan G. Merapi secara visual yang terjadi dewasa ini, data tersebut sebagai bahan perbandingan dengan bulan sebelumnya. Melakukan pemeriksaan laharan di S.Putih, S. Bebeng, S.Krasak dan tujuannya adalah untuk menduga volum endapan lahar dan penentuan daerah yang…
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 …
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 …