Quick report parameters
Quick report parameters: According to the official determination of the China Earthquake Network, a 4.6-magnitude earthquake occurred in the sea area of Hualien County, Taiwan at 17:17 on April 17, with an epicenter at a depth of 23 kilometers and an epicenter at 23.93 degrees north latitude and 121.75 degrees east longitude, about 12 kilometers away from Taiwan Island.
Basic background
Surrounding counties: The epicenter is 17 kilometers away from Hualien City, 19 kilometers away from Ji'an Township, 20 kilometers away from Xincheng Township, 25 kilometers away from Shoufeng Township, 36 kilometers away from Fenglin Town, 15 kilometers away from Hualien County, and 125 kilometers away from Taipei City.
Epicenter terrain: The average altitude within 5 kilometers of the epicenter is about -3234 meters.
Historical earthquakes: According to the China Earthquake Network Quick Report Directory, a total of 295 earthquakes of magnitude 4 or higher have occurred within 200 kilometers of the epicenter in the past five years, and the largest earthquake is a 7.3-magnitude earthquake that occurred in the sea area of Hualien County, Taiwan on April 3, 2024 (13 kilometers away from the epicenter), and the distribution of the top 50 historical earthquakes by magnitude is shown in the figure.
Source: China Earthquake Network