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BANGKOK (THAILAND) - Indonesia’s West Sumatra province, recently hit by a deadly 7.9 magnitude earthquake, is likely to experience an even bigger quake, and buildings need to be constructed to withstand this, experts say. The 30 September earthquake, which struck off West Sumatra’s coast, hit the provincial capital of Padang, killing more than 1,100 people and leaving numerous collapsed and damaged buildings.
As a result, 45 engineers from Australia, New Zealand and Singapore, funded by the intergovernmental Australia-Indonesia Facility for Disaster Reduction, undertook a three-week survey of 4,000 buildings in the quake zone. "Essentially we were looking at factors that have basically either contributed to their failure from the ground shaking, or also the factors that have contributed to some structures not being impacted,” Matthew Hayne from Geoscience Australia and co-leader of the team.
"Some recent studies indicate there is a big likelihood of having an 8.5 earthquake in the next decade. Our building codes should consider this potential event," said Wayan Sengara from the Center for Disaster Mitigation at the Institute of Technology Bandung in Indonesia, and co-leader of the survey team.
The survey has identified the need for technical advice and education for home builders, while there are also several engineering recommendations, including the proper use of reinforcement and concrete.
The results, which are being passed to Indonesia’s National Disaster Management Agency, are intended to help build safer buildings during the reconstruction phase. "One of the driving factors behind the survey that we’re doing here and the recommendations relate to the fact that there is a high probability that the future event, when it occurs, will be a tsunamigenic event as well as that earthquake," said Hayne.
A survivor of the 30 September 2009 earthquake waits for aid amid the ruins of her house in Ketaping Village, Padang Pariaman district, West Sumatra. © Jefri Aries/IRIN
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indahnesia.com lists all earthquakes that occur in Indonesia. For your convenience we display them in a list and a Google Map. It is as accurate and recent as you can imagine as we check for updates every few minutes. If an earthquake occurs in Indonesia, this is the place to check it out in the first place.
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