EMSC (Euro-Mediterranean Seismological Centre) tools for detecting felt earthquakes and for meeting witnesses' immediate information needs, via on social media, websites and a mobile app


EMSC (Euro-Mediterranean Seismological Centre) has developed innovative and efficient tools to detect felt earthquakes and meet witnesses' immediate information needs. The system is based on crowdsourcing and flash-sourcing and uses the eyewitnesses' technological behaviour as real-time sensors. It relies on social media (especially Twitter), websites (standard and mobile) and a mobile application, LastQuake. The app is now used in 191 countries (Figure 1.1 in source document) by about 200,000 people. The LastQuake users' community is composed of eyewitnesses, citizens with relatives living in seismic areas, as well as by scientists and some emergency managers.

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