Safri Burhanuddin

Universitas Hasanuddin | UNHAS · Department of Geological Engineering

The high intensity of the earthquake on Lombok Island on 5 August 2018, with a magnitude of 7.0 Mb, caused material losses experienced by the affected residential areas. The Indonesian Geological Agency in 2015 published a microzonation map that mapped zones prone to earthquake shocks to mitigate disasters. This study aimed to compare the level of...

Air memiliki peran yang sangat penting bagi makhluk hidup tidak terkecuali manusia. Kebutuhan air bersih masyarakat terus meningkat seiring dengan bertambahnya jumlah populasi. Penambahan populasi ini juga mengakibatkan makin pesatnya perubahan lahan menjadi pemukiman, bangunan, dan industri, yang menyebabkan daerah resapan air akan terus berkurang...

Amongst the seven blocks included in the Indonesian domain between surrounded by three plates (Asiatic, Australian and Pacific) six are originated from the Northeastern margin of the Gondwana. They collided the asiatic volcanic arc at various periods. This paper delineate these blocks , their geological history and the reconstruction of this south-...

The French Indonesian research programs, both conducted on land and offshore in the Banda Sea basins area, have led us to formulate a new interpretation of the East Indonesian geological components. In this area we distinguish, within the three main tectonic plates (Eurasian, Indo-Australian and Philippine–Pacific), seven blocks. Six blocks are dec...

The Sumatra-Andaman earthquake of 26 December 2004 [seismic moment magnitude (Mw) = 9.3] broke 1,200km from northern Sumatra to Andaman Island. This earthquake is the second largest earthquake event in more than 40 years, and it caused the most devastating tsunami in recorded history. An area of particularly large and rapid co-seismic slip and tsun...

This paper presents an internally and globally consistent model of plate evolution in eastern Indonesia from Middle Miocene to Present time. It is centered on the Banda Sea region located in the triple junction area between the Pacific–Philippine, Australia and South–East Asia plates. The geological and geophysical data available from Indonesia wer...

Through an ambitious but relatively low-cost program of marine fieldwork, laboratory investigations and technology-transfer and training activities, three Indonesia-Australia-led marine expeditions were undertaken aboard KR Baruna Jaya VIII between 2001 and 2003. These IASSHA (Indonesia-Australia Survey for Submarine Hydrothermal Activity) cruises...

Southeastern Indonesia is located at a convergent triple junction of 3 plates : the Pacific (including the Caro-line and Philippines plates), the Australian and the Southeast Asian plates (fig. 1). The age of the different basins : the North Banda Sea (Sula Basin), the South Banda Sea (Wetar and Damar Basins) and the Weber Trough has been debated f...

The South Banda Basin is located within eastern Indonesia near the triple junction between the Eurasian, Pacific and Indo-Australian plates. It is underlain by oceanic crust, but its origin and age were not well established. It has been interpreted as a Mesozoic trapped piece of Indian ocean or as a Cretaceous–Eocene basin related to the Celebes an...

The North Banda Sea Basin is located in Eastern Indonesia, close to the triple junction between the Eurasian, Pacific and Indo-Australian plates, and opened during Late Miocene time in a back arc setting. We use the magnetic and bathymetric data to depict this opening and the geodynamical evolution of the basin. We also take into account radiochron...

Origin and evolution of the North Banda Basin (Indonesia): constraints from magnetic data. The North Banda Sea Basin is located in Eastern Indonesia, close to the triple junction between the Eurasian, Pacific and Indo-Australian plates, and opened during Late Miocene time in a back arc setting. We use the magnetic and bathymetric data to depict thi...

The Weber basin is located in a fore-arc situation as well with respect to the Australian subduction to the South as to the Seram subduction to the North. Extensional tectonics occured during the Late Pliocene time after the opening of the southern Banda Sea.

Dredgings conducted during the French–Indonesian cruises Banda Sea II and III collected volcanic rocks from several ridges of the Banda Sea area (Tukang Besi ridge, site 218; Lucipara ridge, sites 214 and 305; Nieuwerkerk–Emperor of China, sites 219 and 220). With the exception of one 46-Ma-old N-MORB type basalt, thought to belong to an ophiolitic...

Une ouverture arriere-arc s'est produite de 6 à 3 Ma, par rifting multiple au niveau du bassin de Weber et par rifting simple pour le bassin de Damar.

New biostratigraphical, geochronological and geochemical data from Kur island and two nearby dredgings allow us to show unknown events on the eastern margin of the Weber basin: an Early Oligocene magmatic arc; a tectono-metamorphic event between 24 and 17 Ma; and an Early Pliocene deformation, related to the collision between the Australian plate a...

New biostratigraphical, geochronological and geochemical data from Kur island and two nearby dredgings allow us to show unknown events on the eastern margin of the Weber basin: an Early Oligocene magmatic arc; a tectono-metamorphic event between 24 and 17 Ma; and an Early Pliocene deformation, related to the collision between the Australian plate a...

A fairly complete sedimentary succession (3000–4000 m thick) off the Australian margin east of Kai Besar island (Arafura Sea) is documented from micropalaeontological analysis of samples from eight dredges collected during the Banda Sea II cruise on board Baruna Jaya III. Sediments indicate shelf environment, with siliciclastic probably Late Carbon...

All the area limited by the Banda arc can be described as a succession of opening and closures of intra arc basins. The sinking parts of these island arcs have been dredged on the submerged Lucipara and "Emperor de Chine "ridges (8 to 7 Ma).

At least three periods of time gave rise to transcurrent fault in Eastern Indonesia: the present time, the latest Miocene (North Banda Sea opening) and the Lower to Middle Miocene before the Banda Block dispersal.

Clearly two main phases of magmatic/tectonic activity were evidenced on the Kur Island environment. In this Island located to the East of the Banda volcanic arc a mean age of 29.6+/-1;15 is ascribed to a magmatic event meanwhile ages between 21 and 16 Ma are related to several metamorphic events.

Bathymetrical and geophysical surveysas well as numerous sampling of rocks confirm the existence of two different basins between the Indonesian arc and the Molluca Sea. Basalts of the oceanic crust in the northern Banda basin display Miocene ages between 9 and 6 Ma meanwhile the South Banda basin is engaged in a incipient subduction beaneath the In...

The oldest tectonic event began around 13 Ma in Buton Island ( SE Sulawesi) meanwhile the latest event occured during the Middle Pliocene in the northern arm of Sulawesi. The fragmentation of the Banda Block occured during a northwestward motion and thought to control the opening of the North Banda basin ( 9 to 6 Ma).

A recent cruise of the Indonesian Research Vessel Baruna Jaya III provides news seismic data and dredged samples from the Western part of the SinIa ridge. Seismic data shows a thin and uniform Plio-Quaternary cover overlying both the Late Miocene oceanic crust of the North Banda basin and the Banda ridges (Tukang Basi and Sinta ridges). Dredged sam...

From the Banda I sea cruise seismic investigations, the South Sula Fracture Zone appears to be the Southern arm of the Sorong Fault. Vertical plane and flower structure are consistent with a "strike slip zone".

The North Banda Sea (Eastern Indonesia) is an oceanic domain whose origin is controversial. New bathymetric and seismic reflection profiles, in addition to those published previously, allow presentation of a new bathymetric map and structural sketch of this basin. A general NW-SE structural pattern appears to be the result of: first, the orientatio...

La compilation des données existantes et de celles recueillies dans le cadre de la coopération franco-indonésienne permet de présenter une nouvelle image bathymétrique des bassins océaniques de l’Est indonésien. La morphologie sert aussi de base aux études structurales menées à partir des données géophysiques insuffisamment denses. 3 bassins océani...