From the beginning of the project , the smartphone network detected 590 earthquakes ( September 28 , 2017 ) . Most of the earthquakes were detected in Chile where the network is quite stable in terms of number of smartphones . As an example , the magnitude 8.3 Illapel earthquake was detected by the smartphones in the city of Valparaíso . Smartphones in Santiago received the warning 10 seconds before the earthquake , while smartphones in Mendoza received the warning 20 seconds in advance
Illapel earthquake
2015 Illapel earthquake
Earthquake Network