I came up to Tokyo by flight on January 18th (and returned to Kagoshima on 20 th) to talk with staffs of the JSPS ( Japan Society for the Promorion of Science). We talked about the successful Krakatau Volcano Research and its related works which were made jointly together with Indonesian excellent co - workers.
Pada pertengahan bulan November 1981 yang lalu daerah Sumatera Barat telah terjadi gempa yang cukup kuat beberapa kali beruntung mengguncangkan Kota Padang, Padang Panjang sampai Bukittinggi dan sekitarnya.
Dalam pelita III tahun anggaran 1980/1981, setelah mengadakan penafsiran potret udara dan penelitian lapangan didaerah G. Marapi Jawa Tengah dan G. Batur, Bali. maka kegiatan seksi Pengideraan jauh, Sub Dit. Pemetaan Geologi Gunungapi, Dit. Vulkanologi untuk selanjutnya mengadakan penafsiran potret udara dan citra landsat, kemudian mengadakan penelitian di lapangan di daerah G. Marapi, Sumatra…
The 1883 eruption of Krakatau Volcano in the Sunda Straits was one of the most impressvive eruptions in human history.
Maksud dan tujuan tulisan ini adalah merupakan laporan kegiatan gunung marapi selama satu bulan Mei 1980. Agam dan tanah datar. Sebagaimana tekah diketahui bhawa G. Marapi ini menunjukan peningkatan kegiatannya sejak tahun 1970 sampai kini.
Krakatau voleano which is located at Sunda Strait, Indonesia, catastrophic The is a wellknown volcano in the world, because of its eruption in August 1883, and submarine caldera came into existence. Relatively in a short time, fortyfour years later, in Docamber 1927, ronewed activity was begun, started by submarine oxplosions. eruption was a commencement for the first periode of a now cycle of …
Present situation of the Sumatra Island seems to indicate the clockwise rotation of about 40 degrees for Jawa (Fig.1). Ninkovich (1970) proposed a hypothesis that in the Late Cenozoic Sumatra rotated clockwise about 20 degrees and formed the present configuration. Moreover, Sasajima et al (1980) said that after the Triassic until the Early Tertiary, Sumatra should have rotated clockwise by 62.4…
The activities and magmatic cycles of the Krakatau Volcanic Complex are closely related to the goology and tectonic position of Strait Sunda, which are more related to Sumatra than to Java. The basoment of Strait Sunda consists of ignimbrites and acid tuffs of 0.1 million year old, and the thormal gradient in and around Sunda Strait is about 6.7°C por 100 meter. Tectonically, strait Sundo is a…
Volcanology is ained at the scientific study of phonomona, which strictly speaking, only refers to manifestations of surface cruptions of molton rock or magna and their related gasos, with the structuros, deposits, and other offects produced thoroby. Until now physiographio descriptions of the Indonesian volcanoos, their eruptions and or porio- dic increased activities, the geomorphological lan…
Dalam Agustus ini kita memperingati kenyataan bahwa gunungapi Krakatau seratus tahun yang lalu telah mengalami letusan begitu dasyat hingga ia diketahui dan menarik perhatian seluruh dunia.