Life Center/Reported by Zhou Menghan
Since the 403 earthquake, many strong aftershocks have continued to hit eastern Taiwan, causing heavy damage to many buildings in Hualien. Unexpectedly, there were several large-scale earthquakes last night (23), which even caused the collapse of the Commander-in-Chief Building and the Fukai Hotel. However, why do most of the areas where serious disasters occur occur in Hualien? In this regard, some experts pointed out that because Hualien is located in the Ryukyu Trench seismic zone and there is a “Milon Fault”, the probability of future displacement is estimated to be as high as 88%, and the maximum scale may reach more than 8.
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Aftershocks continued in Hualien last night (23rd), making many residents panic and fearful that their homes would disappear. According to reports from “Dongsen News” and “Sanli News”, Ma Guofeng, chief scientist of the Taiwan Geological Science Center, pointed out that it is precisely because of Hualien’s location In the Ryukyu Trench seismic zone, there is a Milun fault where a strong earthquake with a magnitude of 8.0 occurred in 1920. “But its potential may be as high as (magnitude) 8.7.” When will it happen? She said she was not sure, but an earthquake of this magnitude would definitely have a certain impact on Taipei and Taichung.
In addition, geologist Chen Wenshan also said in the program “Advancing New Taiwan” in the past that the 403 earthquake with a magnitude of 7.2 had its epicenter in the eastern waters of Taiwan, only 10 kilometers away from the land. The earthquake depth was 15.5 kilometers, which was extremely shallow. layer earthquake, and the location is exactly between the “Central Mountains Fault” and the “Subduction Zone Seismic Zone”, and many small-scale aftershocks occurred on the Central Mountains Fault. The strong earthquake may have already affected the active faults nearby.
Chen Wenshan further pointed out that the Ryukyu subduction zone, located east of the epicenter of the 403 earthquake, worries many experts. After all, no earthquake has occurred there for 30 to 40 years, but it is located in the subduction zone and there should be earthquakes. Chen Wenshan said frankly that in the past, Japan’s 311 earthquake and the 2004 South Asia earthquake were both subduction zone and subduction period earthquakes. For this type of earthquake, the scale will be very large. Although it is currently impossible to predict its cycle, he emphasized that “the scale It may reach 8.” Please don’t take it lightly.
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In addition, geologist Chen Wenshan once pointed out in the “Sanli News” program “Advancing New Taiwan” that the “403 Earthquake” had a magnitude of 7.2, which was the largest earthquake in the area where its epicenter was located in a century, and the epicenter happened to be located on the “Central Mountains Fault” Between the “subduction zone earthquake zone” and “subduction zone seismic zone”, there are small-scale aftershocks occurring on the central mountain range fault, and there is concern that the strong earthquake may have affected the active faults nearby.
Chen Wenshan bluntly said that in the past, experts were worried about the subduction zone east of the epicenter of the 403 earthquake, because no earthquakes had occurred there in 30 or 40 years, but it was located in the subduction zone and there should be earthquakes. It is currently impossible to predict its cycle, but “the scale may reach 8.” He said: “For earthquakes such as subduction zones and subduction periods, their scale will be very large.” Japan’s 311 earthquake and the 2004 South Asia earthquake both fall into this category.
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