Earthquake LogM7.9 earthquake, Japan, 2011-03-11
MagnitudeM7.9mwc
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Depth43 km
Time (UTC)2011-03-11 06:15
Rank in 20112 / 207among M6+
Rank since 1900140 / 14,458
Energy vs an M6×708approx.
47 km E of ?arai, Japan · 36.28, 141.11
M5.5+ within 100 km in the next 30 days
| Event | Time (UTC) | Depth | Place |
|---|---|---|---|
| M6.5 2011-03-11 | 2011-03-11 06:20 | 49 km | 115 km ENE of Hasaki, Japan |
| M5.9 2011-03-11 | 2011-03-11 06:33 | 39 km | 99 km ESE of Iwaki, Japan |
| M5.8 2011-03-11 | 2011-03-11 06:35 | 10 km | 25 km ENE of Hasaki, Japan |
| M5.8 2011-03-11 | 2011-03-11 06:38 | 47 km | 85 km ENE of Hasaki, Japan |
| M6.0 2011-03-11 | 2011-03-11 06:57 | 48 km | 4 km ESE of Hasaki, Japan |
| M5.7 2011-03-11 | 2011-03-11 07:09 | 28 km | 95 km ESE of Iwaki, Japan |
| M5.6 2011-03-11 | 2011-03-11 07:09 | 35 km | 94 km ESE of Iwaki, Japan |
| M6.3 2011-03-11 | 2011-03-11 07:14 | 25 km | near the east coast of Honshu, Japan |
| M6.1 2011-03-11 | 2011-03-11 07:28 | 28 km | 87 km ESE of Iwaki, Japan |
| M5.7 2011-03-11 | 2011-03-11 07:42 | 35 km | 110 km ESE of Kitaibaraki, Japan |
| M5.8 2011-03-11 | 2011-03-11 07:44 | 14 km | 102 km ENE of Hasaki, Japan |
| M5.6 2011-03-11 | 2011-03-11 08:10 | 20 km | 24 km E of ?arai, Japan |
| M6.2 2011-03-11 | 2011-03-11 08:12 | 40 km | 70 km ESE of Kitaibaraki, Japan |
| M6.5 2011-03-11 | 2011-03-11 08:19 | 7 km | 81 km NE of Hasaki, Japan |
| M5.6 2011-03-11 | 2011-03-11 08:35 | 20 km | 31 km ENE of Kashima-shi, Japan |
| M5.6 2011-03-11 | 2011-03-11 08:44 | 47 km | 33 km ENE of Kashima-shi, Japan |
| M5.5 2011-03-11 | 2011-03-11 08:52 | 17 km | 97 km ESE of Iwaki, Japan |
| M5.5 2011-03-11 | 2011-03-11 09:37 | 6 km | 72 km ENE of Hasaki, Japan |
| M5.5 2011-03-11 | 2011-03-11 11:13 | 26 km | 102 km ESE of Takahagi, Japan |
| M5.5 2011-03-11 | 2011-03-11 11:16 | 37 km | 94 km ESE of Iwaki, Japan |
| M5.7 2011-03-11 | 2011-03-11 11:21 | 35 km | 10 km ESE of Hasaki, Japan |
| M5.8 2011-03-11 | 2011-03-11 11:46 | 18 km | 42 km NE of Hasaki, Japan |
| M5.5 2011-03-11 | 2011-03-11 11:56 | 23 km | 84 km E of ?arai, Japan |
| M5.6 2011-03-11 | 2011-03-11 12:49 | 35 km | 83 km ENE of Hasaki, Japan |
| M5.6 2011-03-11 | 2011-03-11 13:16 | 58 km | 99 km ESE of Takahagi, Japan |
| M5.5 2011-03-11 | 2011-03-11 13:34 | 5 km | 102 km ENE of Hasaki, Japan |
| M5.5 2011-03-11 | 2011-03-11 14:00 | 51 km | 20 km NNE of Kashima-shi, Japan |
| M5.8 2011-03-11 | 2011-03-11 14:56 | 10 km | 57 km ENE of Hasaki, Japan |
| M5.5 2011-03-11 | 2011-03-11 15:07 | 15 km | 85 km ESE of Hitachi, Japan |
| M6.3 2011-03-11 | 2011-03-11 15:13 | 21 km | 92 km ENE of Hasaki, Japan |
M6.5+ within 300 km (largest first)
M9.1
M8.0
M7.9
M7.9
M7.8
M7.8
M7.7
M7.7
M7.7
M7.7
M7.6
M7.6
Earlier M6+ within 300 km
| Event | Time (UTC) | Depth | Place |
|---|---|---|---|
| M6.2 2011-03-11 | 2011-03-11 06:13 | 40 km | 61 km ESE of Namie, Japan |
| M6.4 2011-03-11 | 2011-03-11 06:07 | 32 km | 108 km ESE of Kitaibaraki, Japan |
| M6.2 2011-03-11 | 2011-03-11 06:00 | 41 km | 110 km ESE of Ishinomaki, Japan |
| M6.3 2011-03-11 | 2011-03-11 05:58 | 51 km | 103 km E of Namie, Japan |
| M6.4 2011-03-11 | 2011-03-11 05:55 | 35 km | 208 km E of Namie, Japan |
| M6.3 2011-03-11 | 2011-03-11 05:54 | 32 km | 30 km NNE of Namie, Japan |
| M9.1 2011-03-11 | 2011-03-11 05:46 | 29 km | 2011 Great Tohoku Earthquake, Japan |
| M6.5 2011-03-09 | 2011-03-09 21:24 | 15 km | 128 km SE of ?funato, Japan |
| M6.0 2011-03-09 | 2011-03-09 21:22 | 23 km | 114 km SE of ?funato, Japan |
| M6.0 2011-03-09 | 2011-03-09 18:16 | 22 km | 99 km E of Ishinomaki, Japan |
Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.