| Message | Update Time | Quake Time | Coordinates | Epicenter | Depth | Mag | Intensity | Location | 
| 5 | 2020-12-21 02:23:37 | 2020-12-21 02:23:22 | 40.8-NL 142.7-EL | Off the east coast of Aomori | 40 | 6.1 | 4 | Sea | 
| 8 | 2020-12-21 02:23:41 | 2020-12-21 02:23:22 | 40.8-NL 142.7-EL | Off the east coast of Aomori | 40 | 6 | 4 | Sea | 
| 10 | 2020-12-21 02:23:43 | 2020-12-21 02:23:22 | 40.8-NL 142.7-EL | Off the east coast of Aomori | 40 | 6.2 | 4 | Sea | 
| 12 | 2020-12-21 02:23:58 | 2020-12-21 02:23:20 | 40.7-NL 142.7-EL | Off the east coast of Aomori | 10 | 6.1 | 4 | Sea | 
| 13 | 2020-12-21 02:23:59 | 2020-12-21 02:23:20 | 40.7-NL 142.7-EL | Off the east coast of Aomori | 10 | 6.2 | 4 | Sea | 
| 14 | 2020-12-21 02:24:03 | 2020-12-21 02:23:20 | 40.7-NL 142.7-EL | Off the east coast of Aomori | 10 | 6.2 | 4 | Sea | 
| 15 | 2020-12-21 02:24:24 | 2020-12-21 02:23:20 | 40.7-NL 142.7-EL | Off the east coast of Aomori | 10 | 6.2 | 4 | Sea | 
| 16 | 2020-12-21 02:24:32 | 2020-12-21 02:23:20 | 40.7-NL 142.7-EL | Off the east coast of Aomori | 10 | 6.2 | 4 | Sea | 
| 17 | 2020-12-21 02:24:53 | 2020-12-21 02:23:20 | 40.7-NL 142.7-EL | Off the east coast of Aomori | 10 | 6.2 | 4 | Sea | 
| 18 | 2020-12-21 02:25:13 | 2020-12-21 02:23:20 | 40.7-NL 142.7-EL | Off the east coast of Aomori | 10 | 6.2 | 4 | Sea | 
| 19 (final) | 2020-12-21 02:25:29 | 2020-12-21 02:23:20 | 40.7-NL 142.7-EL | Off the east coast of Aomori | 10 | 6.2 | 4 | Sea |