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False alarm: Institute apologizes for initially issuing 7.7-magnitude earthquake alert in Sichuan for much smaller jolt_我的网站

A |     据同花顺iFInD数据显示：8月26日，上期所纸浆期货仓单录得399045吨，较上一交易日持平；最近一周，纸浆期货仓单累计增长5140吨，增长幅度为1.30%；最近一个月，纸浆期货仓单累计增长48663吨，增长幅度为13.89%。    

    Picture of an earthquake alert. Photo: VCG
After the Institute of Care-life, a Chengdu-based disaster reduction laboratory, mistakenly issued a 7.7-magnitude alert for a 4.7-magnitude earthquake, the Sichuan earthquake agency on Monday accused the institute of using the name of the official earthquake early warning network without authorization, saying its authorization to use the network had already been terminated last month.
A 4.7-magnitude earthquake struck Yibin at 8:26 am on Monday, according to the China Earthquake Networks Center. However, the Institute of Care-life issued a 7.7-magnitude earthquake alert just five seconds after the quake struck, causing panic among many users. 
The institute used the name of the "China Earthquake Early Warning Network" (an early warning system under the China Earthquake Administration) without authorization to issue a 7.7-magnitude earthquake alert to the public through Honor and Vivo smartphones, as well as Xiaotiancai smartwatches, drawing widespread public attention, said the Sichuan earthquake agency in a statement. 
The agency said it had terminated the institute's third-party authorization to access emergency earthquake information services from the China Earthquake Early Warning Network on July 22, 2026.
In response to the false alarm, the Institute of Care-life said that its earthquake early-warning network initially estimated the quake at magnitude 7.7 five seconds after it occurred, before revising the estimate to 6.4 at the sixth second, 3.7 at the seventh second, 4.1 at the eighth second and 3.9 at the 16th second. The estimated magnitude automatically converged to 3.9 by the 17th second after the earthquake, the institute said.
Addressing the significant discrepancy, the Institute of Care-life said that deviations in estimates of an earthquake's magnitude and epicenter are inevitable to some extent, as early-warning information is generated automatically shortly after a quake begins, before the seismic event has ended.
The Institute of Care-life apologized for the inaccurate alert and said it would investigate the cause as soon as possible while improving its technology and services.
Global Times
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B | 日期期货仓单(吨)增减(吨)增减幅8月26日39904500.00%8月25日39904545641.16%8月24日39448100.00%8月21日3944814950.13%8月20日393986810.02%全品种仓单异动预警，抢占交易先机>>好消息，您已获得期货T+0交易资格，马上开通>>...。

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