Past Major Earthquakes Along the Sea of Japan Coast (Comparison of Seismic Activity, 30 Years Before and After)

• 2024 Noto Peninsula Earthquake (M7.6, maximum seismic intensity 7)
• 1964 Niigata Earthquake (M7.5, maximum seismic intensity 5)
• 1983 Central Sea of Japan Earthquake (M7.7, maximum seismic intensity 5)
• 1993 Offshore southwest of Hokkaido Earthquake (M7.8, maximum seismic intensity 5)

Japan Meteorological Agency
[Evaluation of Seismic Activities for May 2025 (June 10, 2025)]