On August 24, 2026, a magnitude 4.7 earthquake struck Changning County, Yibin, Sichuan. The mainland earthquake early warning network once mistakenly issued a strong earthquake warning of magnitude 7.7 shortly after the quake, prompting people in multiple provinces to take cover; the system later automatically corrected itself, and the Institute of Earthquake Disaster Mitigation subsequently issued an apology.
Evidence EVIDENCE
Sources 2 · Archived 0
SourceTypeReliabilityLink
李老师不是你老师TG
2026-10-04 06:04 · 🖼 四川4.7级地震被误预警为7.7级
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光明网转工人日报：“4.7级地震误报成7.7级”，中国地震局回应
2026-10-07 23:24 · 2026年8月24日8时26分，四川宜宾市长宁县发生4.7级地震。中国地震预警网震后6秒通过微信小程序、华为手机、小米手机和地震预警专用终端等渠道，向震中周边区域1000余万用户推送了官方地震预警信息。
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Context CONTEXT
Cause
Not recorded yet
This event
Mainland China's Earthquake Warning Network Misreported a Magnitude 4.7 Earthquake in Changning, Sichuan as Magnitude 7.7 and Issued an Apology
2026.08.24 · Reported
Effect
Not recorded yet