Improvement of earthquake and tsunami early warning service capabilities in Japan
Yan Enhui
Long Haiyun
Zhao Ping
Xu Jiajing
Li Xiaofan
Cui Manfeng
Abstract：In recent years,in order to improve the intelligent level of earthquake prevention and disaster reduction,the Japan Meteorological Agency has continuously improved the functions of the earthquake phenomena observation system(EPOS)and the intelligent prediction level of tsunami,and has made efforts to improve the earthquake and tsunami early warning service capabilities.In December 2022,it began to release follow-up earthquake early warning information in Hokkaido and Sanriku regions,and in February 2023,it began to release earthquake early warning information of long-term ground motion levels.This article aims to provide reference for the research and construction of earthquake early warning systems in China.
Keywords：Earthquake Phenomena Observation System(EPOS)Earthquake and Tsunami Observation System(ETOS)AIJapan
Publication Date：2025-04-25
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 237-242 )