Google has admitted its earthquake early warning system failed to deliver timely and accurate alerts during Turkey’s deadly 2023 earthquakes.
More than 55,000 people died when two huge earthquakes struck southeast Turkey on 6 February 2023, injuring over 100,000. Many were asleep in their homes when the 7.8 magnitude quake hit.
Despite Android devices making up over 70% of Turkey’s phones, Google’s system sent only 469 “Take Action” alerts. These are the most urgent warnings, designed to wake people even if their phones are on silent.
In contrast, Google said around 500,000 people received a weaker “Be Aware” alert, meant only for light shaking. The stronger alert, which could have given up to 35 seconds warning, might have helped save lives.
After initially claiming its system “performed well”, Google now admits its algorithm underestimated the quake’s strength, misjudging it as just 4.5–4.9 on the magnitude scale.
Months later, reporters couldn’t find anyone who received the life-saving alert in the hardest-hit areas. Only after re-running the simulation with improved software did Google manage to send 10 million high-level warnings.
Experts say the delay in admitting fault is worrying. “People died. It shouldn’t take two years to be transparent,” said Professor Elizabeth Reddy.
Google says its Android Earthquake Alerts system is only a supplement and not a replacement for national warning services. But scientists warn countries must not rely solely on unproven technology.
