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The domestic earthquake automatic quick report averaged down to 2 minutes

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Winter Olympic Earthquake Security Monitoring Station started construction within the year

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Earthquake early warning pilots have been carried out in the Beijing-Tianjin-Hebei region and the Sichuan-Chongqing border area; earthquake warning tests will be carried out on Jing-Jing, Jing-Xiong high-speed railway and Beijing-Tianjin inter-city railway

The domestic earthquake automatic quick report averaged down to 2 minutes -The-domestic-earthquake-automatic-quick-report-averaged-down-to-2-minutes

The domestic earthquake automatic quick report averaged down to 2 minutes -1547962601_819_The-domestic-earthquake-automatic-quick-report-averaged-down-to-2-minutes

The yellow dot in the figure indicates an earthquake of magnitude 3.0 or higher, and the red dot indicates an earthquake of magnitude 4.0 or higher. The larger the dot, the stronger the magnitude. China Earthquake Administration

Yesterday, the two-day 2019 National Earthquake Directors Meeting ended in Beijing. Zheng Guoguang, deputy director of the emergency management department and director of the China Earthquake Administration, stated in the work report of the conference that in 2018, the national earthquake intensity rapid report and early warning project was fully implemented, and the Beijing-Tianjin-Hebei, Sichuan-Yunnan border and Fujian earthquake warning demonstration network were completed. The Strait 6.2 earthquake and the Sichuan Xingwen 5.7 earthquake early warning service have achieved initial results.

The reporter learned from the meeting that this year will focus on improving the level of earthquake monitoring and forecasting, speeding up the national seismic network upgrade planning and design, and launching the 2022 Winter Olympics earthquake security monitoring station construction. At the same time, it will promote the strategic cooperation agreement with the China Railway Corporation on high-speed railway earthquake early warning, and carry out earthquake early warning tests of Jing-Jing, Jing-Xiong high-speed railway and Beijing-Tianjin inter-city railway.

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The domestic earthquake automatic quick report averaged down to 2 minutes

The reporter learned from the meeting that in 2018, China's earthquake monitoring, forecasting and early warning capabilities have improved significantly. According to the conference work report, last year, China's earthquake monitoring coverage rate was further improved, and 110 new seismic stations were built in western Sichuan and Tibet. The time for earthquake quick report was further shortened, and the average time for automatic earthquake rapid reporting was shortened from 3 minutes in 2017 to 2 minutes. The average time for official measurement was shortened from 15 minutes in 2017 to 10 minutes.

At the same time, the ability to withstand earthquakes and disasters has also improved. In 2018, in the seismic fortification of housing facilities, more than 1,300 new construction projects applied seismic isolation technology and supported the transformation of more than 1.9 million rural dilapidated buildings. The China Earthquake Administration carried out active fault detection and seismic hazard assessment in 17 cities including Shenzhen and Nanjing, and completed 13 earthquakes in the cities and counties such as Yibin and Lanzhou New District. The earthquake catastrophe insurance in Sichuan Province has covered 16 cities and prefectures.

Yin Chaomin, deputy director of the China Earthquake Administration, introduced in the interview that the earthquake activity in mainland China in 2018 showed three characteristics: First, the frequency of earthquakes was low. Last year, there were 16 earthquakes of magnitude 5 or higher, which was lower than the average of 24 earthquakes of magnitude 5 and above since 1950. The second is that the intensity is weak and there is no earthquake of magnitude 6 or above. The third is that the disaster is small and there is no death. Overall, the earthquake disaster in mainland China was relatively light last year, and the direct economic loss was around 3 billion yuan, a decrease of 80% from 2017. "After the establishment of the Emergency Management Department, a new mechanism for disaster relief in China has been formed. For several earthquakes of magnitude 5 or above in China, disaster relief operations have been carried out in a powerful and orderly manner through timely and efficient organization of emergency, earthquake and fire fighting."

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Sichuan and other places will provide pilot warning information services to village to households

Zheng Guoguang pointed out in his work report that in 2019, it is necessary to steadily improve the seismic monitoring capability, speed up the national seismic network upgrade planning and design, implement the Qinghai-Tibet Plateau monitoring capability improvement project, and strive to improve the observation coverage, accuracy and timeliness. At the same time, speed up the construction of earthquake intensity report and early warning project, form earthquake warning capability in Sichuan and other areas as soon as possible, and carry out earthquake quick report and early warning information service to village-to-house pilot demonstration.

It is understood that China's national earthquake intensity report and early warning project was officially launched on July 20 last year. It is planned to take the lead in forming earthquake intensity report capability in some areas in 2020 and form an earthquake warning capability in the country in 2023. At present, pilot demonstrations have been carried out in the areas of Beijing-Tianjin-Hebei, Fujian and Sichuan-Chongqing. According to the Yin Dynasty, "from the general situation, preliminary progress has been made and the effect is remarkable. This year, the implementation of the entire project will be intensified and the scope of the pilot will be further expanded."

What are the key points in promoting earthquake warning work? Yin Chaomin believes that this work is a combination of the three major links, "No one can be absent." First, the professional and technical aspects, the core of the earthquake early warning is to quickly and accurately determine the location and energy of the earthquake. The second is to pass the information out, this must be combined with modern technology, the entire information channel platform should be able to quickly and smoothly. Third, the vast industry and the public usually strengthen the drills, know how to respond quickly after the earthquake, and how to urgently brake the key industries. "In fact, we have taken corresponding measures in these three aspects, such as pilot demonstrations in Fujian, we are all open in these three links, including terminals that send early warning information, the public can from mobile APP, TV, radio, etc. The channel received early warning information. In the future, Fujian will deploy more than 10,000 earthquake warning information terminals."

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Winter Olympics earthquake security monitoring started this year

The meeting report pointed out that this year will start the construction of the 2022 Winter Olympics earthquake security monitoring station, and strengthen the capacity building of strong ground motion event monitoring services such as landslides, mine collapse and explosion.

Yin Chaomin, deputy director of the China Earthquake Administration, said that ensuring earthquake safety for such major events is an important task. "In fact, we took a series of measures at the 2008 Beijing Olympic Games, and the overall effect was good."

He said that around the major activities of earthquake safety and security, the relevant regions will take three measures: First, further enhance the monitoring capabilities of the region and strengthen the monitoring of seismic activities in the region. The second is to explore the basic work of seismic hazard in the region and strengthen relevant measures to enhance risk prevention and control. Third, it is necessary to do a good job of pre-planning work in advance of the safety during the major events. “Doing these preparations fully, and then refining them during the event, truly realizing the earthquake security work.”

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Conducting earthquake early warning test of Jingzhang, Jingxiong high-speed railway and Beijing-Tianjin inter-city railway

This year, there will be new progress in the high-speed railway earthquake warning work. In October last year, the China Earthquake Administration and the China Railway Corporation signed a strategic cooperation on the high-speed railway earthquake warning. According to the plan, the earthquake intensity report and early warning information service will be provided in 2021. The meeting pointed out that in 2019, it will promote the strategic cooperation agreement with the railway headquarters to be effective, and carry out earthquake early warning tests for the Jingzhang, Jingxiong high-speed railway and Beijing-Tianjin inter-city railway.

"Earthquake early warning work must play a role, and must be combined with key industries, such as nuclear power, oil and gas pipelines, lifeline engineering, etc., are the industries we will radiate in the future, of which high-speed rail is the most important." Yin Chaomin introduced, China earthquake The cooperation between the bureau and the railway department has been carried out for many years, and preliminary results have been achieved, including the joint development of the high-speed railway earthquake warning system and the introduction of five high-speed railway monitoring and early warning technical standards. After signing the strategic cooperation agreement, it will focus on the trial and application of the high-speed rail early warning system on several new lines such as Jingzhang and Jingxiong High-speed Railway.

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Concern 3

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Research on the Mechanism of Electromagnetic Monitoring 02 Star Assisted Earthquake

In February 2018, the first test star "Zhang Heng No. 1" of China's geophysical field exploration satellite program was successfully launched into the orbit. By observing physical phenomena such as global space electromagnetic field, ionospheric plasma, and high-energy particle sedimentation, it is the study of seismic mechanism and space. Environmental monitoring and Earth system science research have provided new technical means. The report of this meeting mentioned that this year will "promote the development of electromagnetic monitoring 02 stars."

Wang Manda, deputy director of the Department of Science and Technology of the China Earthquake Administration (International Cooperation Division), said that at present, the "Zhang Heng No. 1" satellite is operating normally. Based on this satellite, the team is conducting preliminary design and development of the 02-star electromagnetic monitoring.

It is worth noting that in December last year, the "Zhang Heng No. 1" satellite data sharing website was officially unveiled. "After registering and passing this website, you can check the download of the secondary standard data products of all satellite loads from August 1st to 31st last year." Wang Manda said that the next step is to ensure the satellite data through comparison and verification. Quality, while further optimizing data processing methods, conducting space environmental monitoring and scientific research on the Earth system. In addition, it will enhance data sharing services and expand the scope and efficiency of data applications. "We hope to make it a demonstration project for data sharing, and carry out international cooperation to encourage users in other countries to use the data legally and compliantly."

Wang Manda introduced that compared with "Zhang Heng No.1", the load performance of electromagnetic monitoring 02 star, especially the dynamic range of observation and the application of some technical means will be more stable and reliable. At the same time, the cooperation of the two satellites will improve the spatial and temporal resolution of the data and better capture the Earth's geomagnetic field and electromagnetic field changes. "In the future, on the basis of electromagnetic satellites, other observation satellites such as gravity satellites will be developed to form the geophysical detection constellation of the China Earthquake Administration from heaven to earth."

(Reporter Zhou Yi)


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