Indonesia's National Disaster Mitigation Agency says the country's tsunami-detection buoys were not working when an earthquake and tsunami hit the island of Sulawesi last week.
The disaster has already killed at least 840 people, with the official death toll expected to continue rising. It has led to calls for an overhaul of the tsunami-warning system, and an Australian tsunami specialist is one of those offering thoughts on what needs to happen.
As Indonesia copes with its latest tsunami disaster, on the island of Sulawesi, ((sool-uh-WAY-see)) the country's National Disaster Mitigation Agency says early-detection tsunami buoys off the island's coast have not worked for six years.
The agency says the buoys, connected to sea-floor sensors, have been damaged or stolen.
Yet, the head of Germany's Research Centre for Geosciences, which co-produced the warning system, is defending the system, saying the blame lies elsewhere.
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