Earthquake Today, July 30 -- As the powerful magnitude 8.8 earthquake that struck Russia's Kamchatka Peninsula on 30 July 2025 continues to spark global tsunami alerts and evacuations across the Pacific, many are drawing comparisons to another historic seismic event from the same region - one that occurred exactly 73 years ago.

The 1952 Kamchatka Peninsula earthquake stands as one of the most powerful seismic events of the 20th century. Striking on 4 November 1952, the undersea quake registered a magnitude of 9.0 and originated just off the eastern coast of the Kamchatka Peninsula in Russia's Far East.

The earthquake occurred along the Kuril-Kamchatka subduction zone, a seismically active region where the Pacific Plate dives beneath the...