What caused the alarm in Chengdu High-tech Zone just now?

On the evening of June 19, an earthquake of magnitude 6 occurred in Changning County, Yibin City, Sichuan Province. At the critical moment of disasters, many places in Sichuan issued earthquake warnings in advance by means of alarms, television and short messages. Among them, Chengdu received an early warning about 6 1 s in advance. Ms Liao, who lives in Chengdu High-tech Zone, told the reporter that she heard "60, 59, 58" when the countdown was one minute, and more than 60 communities in the High-tech Zone alone issued early warning alarms.

Ms. Liao, who lives on the eighth floor, said that when the earthquake happened, she was playing mobile games on the sofa, and the earthquake was obvious. Sha shivered badly, and she still has a lingering fear in retrospect.

Extended data

The newspaper rang? After the earthquake, many Chengdu citizens filmed earthquake warning videos and posted them online. The reporter noticed that before the 6.0 earthquake wave arrived in Chengdu, many communities and schools in Chengdu sounded the alarm sound of "earthquake warning", and the loudspeakers installed in the communities told residents that the earthquake wave was coming in a countdown way.

The continental earthquake early warning network jointly built by Chengdu Institute of High-tech Disaster Reduction and Emergency Management Department successfully warned the earthquake. Through television, mobile phones, special earthquake early warning terminals and other channels, Yibin City, Bijie City and Chengdu City, Guizhou Province, which are 24 kilometers away from the epicenter, will be warned 6 10 second in advance.

Xinhuanet -665438+ 0 seconds before the arrival of the earthquake wave in Changning, Sichuan, many communities in Chengdu "early warning"

Public Network-Yibin Earthquake: Chengdu countdown warning video was exposed 6 1 second in advance.