BBC World Service ·

Witness History

Thursday 29 October 2026, 08:50 – 09:00 UK time

Mexico's pioneering earthquake warning system began in 1991 after the devastating 1985 quake. Juan Manuel Espinosa Aranda explains how it was created.

Upcoming showings

Other scheduled episodes, repeats and reruns across all channels. All times are UK time.

BBC World Service

Witness History

Thursday 29 October 2026, 18:50 – 19:00

→