2025-08-21T17:16:32.375Z52.0193160.414810manualconfirmedUSGS4.9mb1Origin/20250821180839.865769.185631Magnitude/20250821180839.865841.1856322025-08-21T17:27:56.740601Z2025-08-21T18:08:39.879587ZOff East Coast of Kamchatkaregion nameOrigin/20250821180839.865769.185631