台湾6.6级地震，福建为何震感明显？地震局最新研判

Core Viewpoint - A 6.6 magnitude earthquake occurred off the coast of Yilan County, Taiwan, on December 27, causing strong tremors felt in several provinces in China, including Fujian, Guangdong, and Zhejiang. The earthquake is attributed to the collision of the Philippine Sea Plate and the Eurasian Plate, and while it is within the normal frequency range for seismic activity, there is a possibility of future earthquakes of magnitude 5-6 in the region [1][5]. Group 1: Earthquake Details - The earthquake struck at 23:05 on December 27, with a depth of 60 kilometers, located approximately 18 kilometers from Taiwan Island [1]. - The earthquake's epicenter was 31 kilometers from Yilan County and 65 kilometers from Taipei City, with reports of significant shaking in various cities, including Fuzhou and Xiamen [2]. - Residents in affected areas reported strong tremors, with some experiencing items falling and structural damage, such as cracked walls [2][4]. Group 2: Seismic Activity Context - The region has experienced 363 earthquakes of magnitude 4 or higher in the last five years, with the largest being a 7.3 magnitude earthquake in Hualien County on April 3, 2024 [4]. - Prior to the recent earthquake, Taiwan had recorded 10 earthquakes of magnitude 5 and one of magnitude 6 in the current year, indicating that seismic activity levels are still considered normal [5].