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| Titel |
The challenge of installing a tsunami early warning system in the vicinity of the Sunda Arc, Indonesia |
| VerfasserIn |
J. Lauterjung, U. Münch, A. Rudloff |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 10, no. 4 ; Nr. 10, no. 4 (2010-04-06), S.641-646 |
| Datensatznummer |
250008069
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| Publikation (Nr.) |
 copernicus.org/nhess-10-641-2010.pdf |
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| Zusammenfassung |
Indonesia is located along the most prominent active continental margin in
the Indian Ocean, the so-called Sunda Arc and, therefore, is one of the most
threatened regions of the world in terms of natural hazards such as
earthquakes, volcanoes, and tsunamis. On 26 December 2004 the third largest
earthquake ever instrumentally recorded (magnitude 9.3, Stein and Okal,
2005) occurred off-shore northern Sumatra and triggered a mega-tsunami
affecting the whole Indian Ocean. Almost a quarter of a million people were
killed, as the region was not prepared either in terms of early-warning or
in terms of disaster response.
In order to be able to provide, in future, a fast and reliable warning
procedure for the population, Germany, immediately after the catastrophe,
offered during the UN World Conference on Disaster Reduction in Kobe,
Hyogo/Japan in January 2005 technical support for the development and
installation of a tsunami early warning system for the Indian Ocean in
addition to assistance in capacity building in particular for local
communities. This offer was accepted by Indonesia but also by other
countries like Sri Lanka, the Maldives and some East-African countries.
Anyhow the main focus of our activities has been carried out in Indonesia as
the main source of tsunami threat for the entire Indian Ocean. Challenging
for the technical concept of this warning system are the extremely short
warning times for Indonesia, due to its vicinity to the Sunda Arc. For this
reason the German Indonesian Tsunami Early Warning System (GITEWS) integrates different modern and new scientific monitoring
technologies and analysis methods. |
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