Japan’s Earthquake Warning System Crisis: How False Alarms Erode Public Trust in Science and Governance
Original framing: “Japan’s ‘mega-quake’ that never was, and the danger of false alarms” — South China Morning Post
Japan’s earthquake warning system has a history of false alarms dating back to the 2011 Tōhoku earthquake, where the JMA’s initial underestimation of the quake’s magnitude led to delayed responses. The 2018 false alarm, which predicted a magnitude 7.6 quake that never occurred, followed a similar pattern of overreliance on automated systems. These precedents reveal a structural issue: the JMA’s protocols were designed in the aftermath of 2011 without adequate safeguards against algorithmic overreach. The repeated failures suggest a systemic bias toward speed over accuracy, prioritizing rapid alerts over thorough validation—a flaw exacerbated by post-disaster budget cuts and privatization of seismic monitoring.