It is, indeed, both a pleasure and a privilege for me to welcome you on behalf of the Indonesian Governement and of the Indonesian Institute of Sciences (LIPI) at the Opening Ceremony of the Symposium on the 100th Vear Development of Mt. Krakatau and its Surroundings. LIPI is most happy to have you all with us today, since by your very presence you have also honoured us at LIPI's sixteenth anni…
The post-meeting trips arranged for a guided by VSI sci- entists were a great success, and at the outset I'd like to convey the thanks from my colleagues, and from myself, for extending this considerable hospitality and courtesy to us. Each and every one of the participants: Fiske, Simkin, Stoiber, Williams, Glicken, Yokoyama, Punongbayan the Banks, Rosengren, and of course Mary Ann and I, were…
Krakatau's eruptive activity reawakened as sub marine on December 29 1927, and after several brief or longer cyclus of erosion and denudation the volcano finally rose above sea level definetly between Augst 11 and September 10. 1930 as Anak Krakatau IV.
In Anak Krakatau's fifty years of existence an evolutionary developmental growth of its geomorphology and a gradually changing silica-content in the effusive throughout its five decades of eruptive activity could be recognied (De Neve, 1980, 1981).
In the last days of Augst 1883 on of the world's largest cataclysmic eruptions took place : the volacanic complex of Krakatoa, in Sunda Strait between java and Sumatra was shattered ash as to produce striking atmospheric effects over the whole world for several years to come. To consequent tsunami devastated adjacent coasts.
From the respeots of volcanostratigraphy, geology and petrography, major efforts were payed for field inspection of lavas, pyroclastics and pyroclastio flow deposit and for sampling for petrological and geochemical laboratory works.
Pada 4 Juni 1980 dengan SPJ n. 262/P/1980, n.263/P/1980, dan n. 264/P/1980. A.D. Sumpena, sdr.S. Wikartadipura dan saya ditugaskan ke tiga gunungapi di sumatra, diantaranya ke G. Kunyit untuk melakukan pemeriksaan puncak dan pemetaan daerah bahayanya.
Dalam rangka melaksanakan rencana kerja Kegiatan lapangan dari bagian proyek pemetaan daerah bahaya Gunungapi,, Seksi Penanggulangan Bahaya, maka ditugaskan lima orang anggota yang terbagi menjadi dua tim.
Dalam rangka pelaksanaan rencana kerja kegiatan lapangan dari bagian proyek pemetaan daerah bahaya Gunungapi seksi penanggulangan bahaya maka ditugaskan tiga orang anggotanya terdiri dari Sdr. Samud Wikartadipura, Sdr.. A.D. Sumpena dan saya.
Berisikan bibilografi mengenai selat sunda dengan emphasis istimewah yang dimiliki oleh gunung Krakatau.