2025-08-21T15:18:00.0000Z29.3129.420manualconfirmedJMA31Origin/20250821152436.180747.182731Magnitude/20250821152436.180823.1827322025-08-21T15:24:36.197017ZRyukyu Islands, Japanregion nameOrigin/20250821152436.180747.182731