UN Interviews podcast

The first 48 hours: how the UN mobilises when disaster strikes

8/19/2026
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When a major disaster strikes, the first hours are critical. Within 48 hours of receiving a formal request from an affected country, the UN Disaster Assessment and Coordination (UNDAC) system can deploy a team of experts to support national emergency response.

The teams, managed and trained by the UN Office for the Coordination of Humanitarian Affairs (OCHA), bring together specialists from different countries and organisations, based on the specific needs identified on the ground.

Sérgio da Silva, leader of the UNDAC team, explained to UN News’s Felipe de Carvalho how this global network is mobilised in the immediate aftermath of earthquakes, floods, hurricanes and other environmental or man-made disasters.

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