2025-09-18T19:55:42.853Z52.9347160.804535manualconfirmedUSGS4.6mb1Origin/20250918203032.444947.131367Magnitude/20250918203032.445034.1313682025-09-18T20:14:52.88498Z2025-09-18T20:30:33.885002ZOff East Coast of Kamchatkaregion nameOrigin/20250918203032.444947.131367