Japan has been rocked by the biggest earthquake in over 100 years followed by a series of powerful aftershocks. The locations, times and magnitudes of the largest seismic shifts are as follows:
Earthquakes off or near the coast of Honshu, Japan, 11th March 2011
| MAG | TIME UTC | LAT° | LON° | DEPTH |
| 5.6 | 10:20:27 | 36.966 | 142.289 | 21.7 km |
| 6.0 | 10:10:35 | 39.248 | 142.779 | 28.9 km |
| 5.2 | 09:59:57 | 36.703 | 142.207 | 41.6 km |
| 5.5 | 09:47:02 | 39.685 | 142.938 | 29.7 km |
| 5.2 | 09:42:22 | 39.438 | 142.749 | 30.2 km |
| 5.4 | 09:37:08 | 35.877 | 141.585 | 29.9 km |
| 5.5 | 09:09:15 | 37.717 | 143.267 | 36.2 km |
| 5.4 | 09:04:10 | 37.299 | 142.655 | 30.5 km |
| 5.2 | 09:00:20 | 37.056 | 141.966 | 20.0 km |
| 5.4 | 08:52:26 | 36.763 | 141.910 | 35.8 km |
| 5.5 | 08:46:48 | 37.421 | 142.453 | 37.3 km |
| 5.9 | 08:40:56 | 37.465 | 141.122 | 38.6 km |
| 6.1 | 08:31:08 | 37.428 | 141.200 | 25.0 km |
| 6.5 | 08:19:24 | 36.200 | 142.000 | 19.9 km |
| 6.2 | 08:15:41 | 37.034 | 144.612 | 27.8 km |
| 6.2 | 08:12:05 | 36.606 | 141.557 | 19.8 km |
| 5.5 | 08:10:31 | 36.394 | 140.631 | 30.4 km |
| 5.9 | 08:01:59 | 37.071 | 142.734 | 22.6 km |
| 5.6 | 07:56:16 | 37.130 | 142.305 | 34.0 km |
| 5.7 | 07:54:45 | 37.742 | 141.565 | 45.3 km |
| 5.8 | 07:42:55 | 36.406 | 141.919 | 29.9 km |
| 5.9 | 07:38:27 | 39.250 | 142.783 | 29.1 km |
| 6.1 | 07:28:12 | 36.802 | 141.911 | 24.0 km |
| 6.1 | 07:25:33 | 37.916 | 144.621 | 15.0 km |
| 6.3 | 07:14:59 | 36.648 | 141.811 | 25.0 km |
| 5.9 | 07:13:47 | 36.051 | 142.347 | 28.5 km |
| 5.8 | 07:11:00 | 37.899 | 142.734 | 30.0 km |
| 6.3 | 06:57:15 | 35.758 | 140.992 | 30.2 km |
| 6.3 | 06:48:47 | 37.993 | 142.764 | 22.3 km |
| 7.1 | 06:25:51 | 38.106 | 144.553 | 19.7 km |
| 6.8 | 06:15:40 | 36.186 | 141.192 | 35.0 km |
| 6.4 | 06:07:22 | 36.401 | 141.862 | 35.4 km |
| 6.4 | 06:06:11 | 39.025 | 142.316 | 25.1 km |
| 8.9 | 05:46:24 | 38.322 | 142.369 | 24.4 km |
