Moderate mag. 5.1 earthquake - North Pacific Ocean, 1023 km south of Tokyo, Japan, on Wednesday, 22 December 2010 at 12:26 (GMT)
Moderate magnitude 5.1 earthquake at 10 km depth
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Date & time: 22 Dec 2010 12:26:28 UTC
Magnitude: 5.1
Depth: 10.0 km
Epicenter latitude / longitude: 27.02°N / 143.295°E

(
North Pacific Ocean,
Japan)
Nearest volcano:
unnamed (154 km / 96 mi)
Nearby towns and cities:1023 km (636 mi) SSE of Tokyo (pop: 8,336,600) -->
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Primary data source:
USGS (United States Geological Survey)
Estimated released energy: 2.8 x 10
12 joules (783 megawatt hours, equivalent to 674 tons of TNT)
More info
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Data for the same earthquake reported by different agencies
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Magnitude | Depth | Location | Source |
M 5.1 | 10 km | Bonin Islands, Japan region | USGS |
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Aftershocks of the 5.1 quake North Pacific Ocean, 1023 km south of Tokyo, Japan, 22 December 2010 12:26 GMT
More info
Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 13 km
2 (=5 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 6 km (4 mi).
Aftershocks typically occur during the days and weeks following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the
map below to verify).
Recorded aftershocks, latest first (101 quakes):
11 Feb 2011 06:41 UTC
| M 4.3 | 10 km (6.2 mi) depth
| 20 km (12 mi) distance
| USGS | Details
10 Feb 2011 03:04 UTC
| M 5.0 | 10 km (6.2 mi) depth
| 15 km (9 mi) distance
| USGS | Details
08 Feb 2011 05:37 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 13 km (8 mi) distance
| USGS | Details
02 Feb 2011 04:48 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 9 km (6 mi) distance
| USGS | Details
01 Feb 2011 18:37 UTC
| M 4.9 | 10 km (6.2 mi) depth
| 12 km (8 mi) distance
| USGS | Details
28 Jan 2011 00:06 UTC
| M 4.9 | 10 km (6.2 mi) depth
| 18 km (11 mi) distance
| USGS | Details
27 Jan 2011 18:02 UTC
| M 4.6 | 10 km (6.2 mi) depth
| 20 km (13 mi) distance
| USGS | Details
27 Jan 2011 16:19 UTC
| M 4.3 | 10 km (6.2 mi) depth
| 11 km (7 mi) distance
| USGS | Details
27 Jan 2011 15:54 UTC
| M 5.0 | 10.1 km (6.3 mi) depth
| 12 km (7 mi) distance
| USGS | Details
27 Jan 2011 14:09 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 20 km (13 mi) distance
| USGS | Details
27 Jan 2011 11:23 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 9 km (6 mi) distance
| USGS | Details
27 Jan 2011 10:26 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 10 km (6 mi) distance
| USGS | Details
27 Jan 2011 10:24 UTC
| M 4.9 | 11.1 km (6.9 mi) depth
| 9 km (6 mi) distance
| USGS | Details
27 Jan 2011 10:03 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
27 Jan 2011 09:25 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
21 Jan 2011 08:12 UTC
| M 5.2 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | DetailsShow all
21 Jan 2011 07:08 UTC
| M 4.2 | 10 km (6.2 mi) depth
| 20 km (12 mi) distance
| USGS | Details
21 Jan 2011 07:00 UTC
| M 4.9 | 10 km (6.2 mi) depth
| 17 km (11 mi) distance
| USGS | Details
21 Jan 2011 04:55 UTC
| M 4.4 | 8.3 km (5.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
20 Jan 2011 09:25 UTC
| M 4.1 | 10 km (6.2 mi) depth
| 7 km (4 mi) distance
| USGS | Details
15 Jan 2011 02:33 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 18 km (11 mi) distance
| USGS | Details
09 Jan 2011 17:05 UTC
| M 4.2 | 10 km (6.2 mi) depth
| 13 km (8 mi) distance
| USGS | Details
09 Jan 2011 11:24 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 14 km (9 mi) distance
| USGS | Details
09 Jan 2011 02:32 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 15 km (9 mi) distance
| USGS | Details
09 Jan 2011 01:31 UTC
| M 4.6 | 7.2 km (4.5 mi) depth
| 20 km (12 mi) distance
| USGS | Details
08 Jan 2011 23:25 UTC
| M 4.3 | 10 km (6.2 mi) depth
| 14 km (9 mi) distance
| USGS | Details
05 Jan 2011 07:19 UTC
| M 4.5 | 10 km (6.2 mi) depth
| 19 km (11 mi) distance
| USGS | Details
04 Jan 2011 15:20 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 11 km (7 mi) distance
| USGS | Details
02 Jan 2011 15:38 UTC
| M 4.5 | 10 km (6.2 mi) depth
| 16 km (10 mi) distance
| USGS | Details
01 Jan 2011 19:37 UTC
| M 4.1 | 10 km (6.2 mi) depth
| 19 km (12 mi) distance
| USGS | Details
31 Dec 2010 19:32 UTC
| M 4.6 | 10 km (6.2 mi) depth
| 15 km (9 mi) distance
| USGS | Details
30 Dec 2010 03:47 UTC
| M 4.2 | 10 km (6.2 mi) depth
| 14 km (9 mi) distance
| USGS | Details
28 Dec 2010 23:22 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
28 Dec 2010 11:18 UTC
| M 4.3 | 10 km (6.2 mi) depth
| 20 km (12 mi) distance
| USGS | Details
28 Dec 2010 02:27 UTC
| M 4.5 | 10 km (6.2 mi) depth
| 20 km (12 mi) distance
| USGS | Details
27 Dec 2010 21:08 UTC
| M 4.5 | 10 km (6.2 mi) depth
| 10 km (6 mi) distance
| USGS | Details
27 Dec 2010 08:57 UTC
| M 4.9 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
26 Dec 2010 15:23 UTC
| M 4.0 | 10 km (6.2 mi) depth
| 14 km (9 mi) distance
| USGS | Details
26 Dec 2010 08:36 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 10 km (6 mi) distance
| USGS | Details
26 Dec 2010 07:44 UTC
| M 5.0 | 10 km (6.2 mi) depth
| 18 km (11 mi) distance
| USGS | Details
26 Dec 2010 00:00 UTC
| M 5.0 | 10 km (6.2 mi) depth
| 13 km (8 mi) distance
| USGS | Details
25 Dec 2010 23:16 UTC
| M 4.2 | 11.3 km (7 mi) depth
| 16 km (10 mi) distance
| USGS | Details
25 Dec 2010 23:12 UTC
| M 4.1 | 10 km (6.2 mi) depth
| 20 km (12 mi) distance
| USGS | Details
25 Dec 2010 17:40 UTC
| M 5.2 | 10 km (6.2 mi) depth
| 10 km (6 mi) distance
| USGS | Details
25 Dec 2010 14:18 UTC
| M 5.0 | 10 km (6.2 mi) depth
| 10 km (6 mi) distance
| USGS | Details
25 Dec 2010 14:16 UTC
| M 4.6 | 10 km (6.2 mi) depth
| 17 km (11 mi) distance
| USGS | Details
25 Dec 2010 14:14 UTC
| M 4.8 | 10 km (6.2 mi) depth
| 4 km (3 mi) distance
| USGS | Details
25 Dec 2010 14:09 UTC
| M 5.1 | 10 km (6.2 mi) depth
| 15 km (9 mi) distance
| USGS | Details
25 Dec 2010 14:04 UTC
| M 5.3 | 10 km (6.2 mi) depth
| 10 km (6 mi) distance
| USGS | Details
25 Dec 2010 06:41 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 18 km (11 mi) distance
| USGS | Details
25 Dec 2010 06:41 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 6 km (4 mi) distance
| USGS | Details
25 Dec 2010 03:24 UTC
| M 3.9 | 10 km (6.2 mi) depth
| 15 km (9 mi) distance
| USGS | Details
25 Dec 2010 03:11 UTC
| M 4.5 | 5.3 km (3.3 mi) depth
| 21 km (13 mi) distance
| USGS | Details
24 Dec 2010 19:40 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 19 km (12 mi) distance
| USGS | Details
24 Dec 2010 18:29 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 17 km (11 mi) distance
| USGS | Details
24 Dec 2010 17:43 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 10 km (6 mi) distance
| USGS | Details
24 Dec 2010 17:28 UTC
| M 5.3 | 10 km (6.2 mi) depth
| 2 km (1 mi) distance
| USGS | Details
24 Dec 2010 17:27 UTC
| M 5.1 | 10.5 km (6.5 mi) depth
| 6 km (4 mi) distance
| USGS | Details
24 Dec 2010 15:24 UTC
| M 4.3 | 10 km (6.2 mi) depth
| 9 km (6 mi) distance
| USGS | Details
24 Dec 2010 15:11 UTC
| M 4.2 | 10 km (6.2 mi) depth
| 19 km (12 mi) distance
| USGS | Details
24 Dec 2010 14:39 UTC
| M 4.1 | 10 km (6.2 mi) depth
| 10 km (7 mi) distance
| USGS | Details
23 Dec 2010 23:58 UTC
| M 4.1 | 8.3 km (5.2 mi) depth
| 10 km (6 mi) distance
| USGS | Details
23 Dec 2010 22:35 UTC
| M 4.1 | 10 km (6.2 mi) depth
| 20 km (13 mi) distance
| USGS | Details
23 Dec 2010 22:23 UTC
| M 4.9 | 11.9 km (7.4 mi) depth
| 13 km (8 mi) distance
| USGS | Details
23 Dec 2010 16:20 UTC
| M 4.8 | 10 km (6.2 mi) depth
| 13 km (8 mi) distance
| USGS | Details
23 Dec 2010 15:31 UTC
| M 4.6 | 10 km (6.2 mi) depth
| 14 km (9 mi) distance
| USGS | Details
23 Dec 2010 13:40 UTC
| M 4.5 | 10 km (6.2 mi) depth
| 15 km (9 mi) distance
| USGS | Details
23 Dec 2010 12:25 UTC
| M 4.8 | 10 km (6.2 mi) depth
| 9 km (6 mi) distance
| USGS | Details
23 Dec 2010 12:15 UTC
| M 4.1 | 10 km (6.2 mi) depth
| 0 km (0 mi) distance
| USGS | Details
23 Dec 2010 08:36 UTC
| M 4.3 | 9.5 km (5.9 mi) depth
| 4 km (3 mi) distance
| USGS | Details
23 Dec 2010 08:24 UTC
| M 4.3 | 10 km (6.2 mi) depth
| 8 km (5 mi) distance
| USGS | Details
23 Dec 2010 08:01 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 12 km (7 mi) distance
| USGS | Details
23 Dec 2010 08:01 UTC
| M 4.9 | 10 km (6.2 mi) depth
| 12 km (7 mi) distance
| USGS | Details
23 Dec 2010 05:24 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 14 km (9 mi) distance
| USGS | Details
23 Dec 2010 04:49 UTC
| M 4.3 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
23 Dec 2010 04:31 UTC
| M 4.2 | 10 km (6.2 mi) depth
| 11 km (7 mi) distance
| USGS | Details
23 Dec 2010 02:07 UTC
| M 4.5 | 10 km (6.2 mi) depth
| 4 km (2 mi) distance
| USGS | Details
23 Dec 2010 01:56 UTC
| M 4.9 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
23 Dec 2010 01:46 UTC
| M 5.0 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
23 Dec 2010 01:44 UTC
| M 4.9 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
23 Dec 2010 00:33 UTC
| M 4.8 | 15.4 km (9.6 mi) depth
| 19 km (12 mi) distance
| USGS | Details
22 Dec 2010 23:47 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 12 km (8 mi) distance
| USGS | Details
22 Dec 2010 21:59 UTC
| M 4.9 | 10 km (6.2 mi) depth
| 17 km (10 mi) distance
| USGS | Details
22 Dec 2010 20:26 UTC
| M 4.5 | 10 km (6.2 mi) depth
| 19 km (12 mi) distance
| USGS | Details
22 Dec 2010 19:29 UTC
| M 4.5 | 10 km (6.2 mi) depth
| 13 km (8 mi) distance
| USGS | Details
22 Dec 2010 18:49 UTC
| M 4.5 | 10 km (6.2 mi) depth
| 10 km (6 mi) distance
| USGS | Details
22 Dec 2010 18:11 UTC
| M 4.6 | 8.7 km (5.4 mi) depth
| 19 km (12 mi) distance
| USGS | Details
22 Dec 2010 17:33 UTC
| M 4.1 | 10 km (6.2 mi) depth
| 17 km (11 mi) distance
| USGS | Details
22 Dec 2010 16:26 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 17 km (10 mi) distance
| USGS | Details
22 Dec 2010 16:19 UTC
| M 4.4 | 10 km (6.2 mi) depth
| 20 km (12 mi) distance
| USGS | Details
22 Dec 2010 16:02 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 12 km (8 mi) distance
| USGS | Details
22 Dec 2010 15:36 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 21 km (13 mi) distance
| USGS | Details
22 Dec 2010 14:45 UTC
| M 4.6 | 10 km (6.2 mi) depth
| 8 km (5 mi) distance
| USGS | Details
22 Dec 2010 14:09 UTC
| M 4.6 | 10 km (6.2 mi) depth
| 14 km (9 mi) distance
| USGS | Details
22 Dec 2010 13:25 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 6 km (4 mi) distance
| USGS | Details
22 Dec 2010 13:10 UTC
| M 4.9 | 10.5 km (6.5 mi) depth
| 7 km (4 mi) distance
| USGS | Details
22 Dec 2010 13:01 UTC
| M 5.2 | 14.4 km (8.9 mi) depth
| 3 km (2 mi) distance
| USGS | Details
22 Dec 2010 13:00 UTC
| M 4.8 | 10 km (6.2 mi) depth
| 2 km (1 mi) distance
| USGS | Details
22 Dec 2010 12:35 UTC
| M 4.1 | 10 km (6.2 mi) depth
| 8 km (5 mi) distance
| USGS | Details
22 Dec 2010 12:34 UTC
| M 4.7 | 10 km (6.2 mi) depth
| 9 km (6 mi) distance
| USGS | Details
22 Dec 2010 12:26 UTC
| M 5.0 | 10 km (6.2 mi) depth
| 2 km (1 mi) distance
| USGS | Details
Earlier earthquakes in the same area
Moderate mag. 5.1 earthquake - North Pacific Ocean, 1023 km south of Tokyo, Japan, on Wednesday, 22 December 2010 at 12:26 (GMT)
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