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The 18th Annual Meeting of the Asia Oceania Geosciences Society (AOGS 2021) was held from 1st to 6th August 2021. This proceedings volume includes selected extended abstracts from a challenging array of presentations at this conference. The AOGS Annual Meeting is a leading venue for professional interaction among researchers and practitioners, covering diverse disciplines of geosciences.
Hingga kini, peristiwa gempa bumi terus terjadi di Indonesia. Hal ini terjadi sebagai hasil interaksi antarlempeng tektonik antara Eurasia, Indo-Australia, dan Pasifik, serta lempeng-lempeng mikro pembentuk gugus kepulauan Nusantara. Buku ini menyajikan perkembangan keilmuan dan aplikasi terkini terkait pemahaman proses terjadinya gempa bumi di Indonesia, pemantauan, dan mitigasi kebencanaan dengan didukung analisis peristiwa gempa bumi besar di Indonesia.
Earthquake zones and analysis of it's potential hazards in Indonesia.
Earthquakes and tsunamis are devastating geohazards with significant societal impacts. Most recent occurrences have shown that their impact on the stability of nations-societies and the world geopolitics is immense, potentially triggering a tipping point for a major downturn in the global economy. This publication presents the most current information on the causes and effects of some of the modern and historical earthquake-tsunami events, and effective practices of risk assessment-disaster management, implemented by various governments, international organizations and intergovernmental agencies.
While there are several excellent books dealing with numerical analysis and analytical theory, one has to practically sift through hundreds of references. This monograph is an attempt to partly rectify this situation. It aims to introduce the application of finite-difference methods to ocean dynamics as well as review other complex methods. Systematically presented, the monograph first gives a detailed account of the basics and then go on to discuss the various applications. Recognising the impossibility of covering the entire field of ocean dynamics, the writers have chosen to focus on transport equations (diffusion and advection), shallow water phenomena ? tides, storm surges and tsunamis, three-dimensional time dependent oceanic motion, natural oscillations, and steady state phenomena. The many aspects covered by this book makes it an indispensable handbook and reference source to both professionals and students of this field.
The current state-of-the-art allows seismologists to give statistical estimates of the probability of a large earthquake striking a given region, identifying the areas in which the seismic hazard is the highest. However, the usefulness of these estimates is limited, without information about local subsoil conditions and the vulnerability of buildings. Identifying the sites where a local ampli?cation of seismic shaking will occur, and identifying the buildings that will be the weakest under the seismic shaking is the only strategy that allows effective defence against earthquake damage at an affordable cost, by applying selective reinforcement only to the structures that need it. Unfortunatel...
These serve as a common interdisciplinary background for the second half of the text, which divides the discussion of earthquakes according to tectonic environment: strike-slip, divergent, and convergent.
With dense urban populations located in one of the most active tectonic belts in the world, Indonesia is a hotspot for natural hazard risk. This volume documents some of the recent advances made by Earth scientists that contribute towards a better understanding of the geological hazards in the region.
Water and other fluids play a vital role in the processes that shape the earth's crust, possibly even influencing earthquakes and volcanism. Fluids affect the movement of chemicals and heat in the crust, and they are the major factor in the formation of hydrothermal ore deposits. Yet, fluids have been overlooked in many geologic investigations. The Role of Fluids in Crustal Processes addresses this lack of attention with a survey of what experts know about the role of fluids in the Earth's crustâ€"and what future research can reveal. The overview discusses factors that affect fluid movement and the coupled equations that represent energy and mass transport processes, chemical reactions, and the relation of fluids to stress distribution.