Key Facts
• On July 15, 2025, at 11:47 PM, a magnitude 4.8 earthquake occurred.
• The epicenter was in northern Ibaraki Prefecture (36.5°N, 140.6°E).
• The earthquake’s depth was approximately 60 km.
• Maximum intensity of 4 was recorded in Ibaraki and Tochigi Prefectures.
• No tsunami risk was reported following the earthquake.
• Areas with intensity 4: Kasama City (Ibaraki) and Ichikai Town (Tochigi).
• Areas with intensity 3 included cities in Fukushima, Ibaraki, Tochigi, Gunma, Saitama, and Chiba Prefectures.
Summary
A magnitude 4.8 earthquake struck northern Ibaraki Prefecture on July 15, 2025, at 11:47 PM. The quake, with a depth of 60 km, caused a maximum intensity of 4 in Ibaraki and Tochigi Prefectures, specifically in Kasama City and Ichikai Town. Intensity 3 was observed in several cities across Fukushima, Ibaraki, Tochigi, Gunma, Saitama, and Chiba Prefectures. Authorities confirmed there is no risk of a tsunami. The event highlights the importance of earthquake preparedness in the region.
