Zheng Mingdian posted a seismic intensity map on PO, indicating that the national-level warning issuance standard for earthquakes, in addition to having a scale of 5.0 or higher, the seismic intensity must be above the orange-red level in this map.

(The picture is taken from the Central Meteorological Bureau)

[Instant News/Comprehensive Report] An earthquake with a magnitude of 6.2 occurred today (15th) at 12:03 noon off the coast of Hualien. The warning newsletter (PWS), but there are also many counties and cities that have reached magnitude 4 but have not received a "national alert". Zheng Mingdian, director of the Meteorological Bureau, explained that because some counties and cities have earthquakes near the threshold, the initial estimate did not meet the standard, so Not published.

Today at 12:03 noon, an earthquake with a scale of 6.2 on the Richter scale occurred off the coast of Hualien. The depth of the earthquake was only 5.7 kilometers. Taichung City and Yunlin County, areas with a magnitude 3 earthquake are Kaohsiung City, Hsinchu County, Tainan City, New Taipei City, Taoyuan City, Miaoli County, and Pingtung County; Taipei City, Keelung City, Hsinchu City, and Penghu County have a magnitude 2 earthquake.

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Zheng Mingdian, director of the Bureau of Meteorology, explained on Facebook that the standard released by PWS is that the magnitude of the earthquake is above 5.0 and the earthquake intensity is estimated to be above magnitude 4 in any county or city government. The alarm in Heyilan County and Yilan County was released 12 seconds after the earthquake, and the timeliness was within the normal range of system design; the earthquake intensity in Chiayi City and Changhua County also reached the standard, but because the actual earthquake intensity was near the threshold, the initial estimate did not meet the standard, so the Unpublished.