Very strong mag. 6.3 earthquake - North Pacific Ocean, 263 km east of Tokyo, Japan, on Saturday, December 20, 2008 at 10:29 (GMT)

Very strong mag. 6.3 earthquake - North Pacific Ocean, 263 km east of Tokyo, Japan, on Saturday, December 20, 2008 at 10:29 (GMT)

Very strong magnitude 6.3 earthquake at 19 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Dec 20, 2008 10:29:23 UTC
Magnitude: 6.3
Depth: 19.0 km
Epicenter latitude / longitude: 36.541°N / 142.425°E (North Pacific Ocean, Japan)
Antipode: 36.541°S / 37.575°W
Nearest volcano: Adatara (226 km / 140 mi)
Nearby towns and cities:
149 km (92 mi) ESE of Iwaki (pop: 357,300) --> See nearby quakes!
152 km (94 mi) E of Kitaibaraki (pop: 50,800) --> See nearby quakes!
159 km (99 mi) E of Hitachi (pop: 186,300) --> See nearby quakes!
170 km (106 mi) E of Hitachi-Naka (pop: 156,800) --> See nearby quakes!
170 km (106 mi) E of Katsuta (pop: 156,000) --> See nearby quakes!
172 km (107 mi) ENE of Kashima-shi (pop: 65,800) --> See nearby quakes!
178 km (111 mi) E of Mito (pop: 246,500) --> See nearby quakes!
187 km (116 mi) ENE of Katori-shi (pop: 83,200) --> See nearby quakes!
236 km (147 mi) SE of Sendai (pop: 1,063,100) --> See nearby quakes!
263 km (164 mi) ENE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
6.319 kmoff the east coast of Honshu, JapanUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Aftershocks

[More info]

Recorded aftershocks, latest first (53 quakes)

Date and timeMag
Depth
LocationDetails
Jun 6, 2009 19:38
13 years ago
4.3

35 km
North Pacific Ocean, 79 km SE of Iwaki, Fukushima, JapanMore
Jun 2, 2009 12:34
13 years ago
4.1

35 km
North Pacific Ocean, 94 km SE of Namie, Futaba-gun, Fukushima, JapanMore
May 15, 2009 06:19
13 years ago
4.2

35 km
North Pacific Ocean, 247 km NE of Tokyo, JapanMore
May 10, 2009 04:28
13 years ago
4.3

4.3 km
North Pacific Ocean, 310 km NE of Tokyo, JapanMore
May 9, 2009 19:34
13 years ago
5.1

27 km
North Pacific Ocean, 281 km E of Tokyo, JapanMore
Apr 23, 2009 14:24
13 years ago
4.4

42 km
North Pacific Ocean, 312 km E of Tokyo, JapanMore
Apr 8, 2009 04:28
13 years ago
4.3

24 km
North Pacific Ocean, 199 km E of Tokyo, JapanMore
Mar 23, 2009 19:53
13 years ago
4.2

32 km
North Pacific Ocean, 263 km NE of Tokyo, JapanMore
Mar 18, 2009 00:30
13 years ago
4.3

38 km
North Pacific Ocean, 235 km NE of Tokyo, JapanMore
Feb 14, 2009 17:11
13 years ago
4.4

35 km
North Pacific Ocean, 269 km E of Tokyo, JapanMore
Jan 6, 2009 21:44
13 years ago
4.1

44 km
North Pacific Ocean, 86 km SE of Namie, Futaba-gun, Fukushima, JapanMore
Jan 5, 2009 01:36
13 years ago
4.5

39 km
North Pacific Ocean, 237 km NE of Tokyo, JapanMore
Dec 28, 2008 08:27
13 years ago
4.2

10 km
North Pacific Ocean, 287 km E of Tokyo, JapanMore
Dec 28, 2008 07:09
13 years ago
3.7

20 km
North Pacific Ocean, 267 km NE of Tokyo, JapanMore
Dec 25, 2008 19:42
13 years ago
4.4

0.6 km
North Pacific Ocean, 261 km E of Tokyo, JapanMore
Dec 25, 2008 13:30
13 years ago
3.7

4.3 km
North Pacific Ocean, 266 km E of Tokyo, JapanMore
Dec 25, 2008 13:15
13 years ago
3.3

11 km
North Pacific Ocean, 265 km E of Tokyo, JapanMore
Dec 25, 2008 10:43
13 years ago
5.3

22 km
North Pacific Ocean, 253 km E of Tokyo, JapanMore
Dec 25, 2008 09:27
13 years ago
3.8

24 km
North Pacific Ocean, 263 km NE of Tokyo, JapanMore
Dec 25, 2008 09:08
13 years ago
3.4

41 km
North Pacific Ocean, 281 km E of Tokyo, JapanMore
Dec 24, 2008 15:11
13 years ago
4.4

10 km
North Pacific Ocean, 262 km E of Tokyo, JapanMore
Dec 24, 2008 11:07
13 years ago
3.2

73 km
North Pacific Ocean, 271 km E of Tokyo, JapanMore
Dec 24, 2008 01:24
13 years ago
3.1

35 km
North Pacific Ocean, 85 km SE of Namie, Futaba-gun, Fukushima, JapanMore
Dec 23, 2008 20:57
13 years ago
5.4

8.2 km
North Pacific Ocean, 258 km E of Tokyo, JapanMore
Dec 23, 2008 20:25
13 years ago
4.3

16 km
North Pacific Ocean, 269 km E of Tokyo, JapanMore
Dec 23, 2008 19:45
13 years ago
4.4

13 km
North Pacific Ocean, 264 km E of Tokyo, JapanMore
Dec 23, 2008 16:46
13 years ago
3.2

10 km
North Pacific Ocean, 261 km NE of Tokyo, JapanMore
Dec 23, 2008 13:44
13 years ago
3.9

10 km
North Pacific Ocean, 261 km NE of Tokyo, JapanMore
Dec 23, 2008 10:05
13 years ago
4.0

29 km
North Pacific Ocean, 274 km E of Tokyo, JapanMore
Dec 23, 2008 08:23
13 years ago
4.2

10 km
North Pacific Ocean, 266 km E of Tokyo, JapanMore
Dec 23, 2008 01:12
13 years ago
3.8

10 km
North Pacific Ocean, 280 km NE of Tokyo, JapanMore
Dec 21, 2008 22:30
13 years ago
4.0

35 km
North Pacific Ocean, 244 km NE of Tokyo, JapanMore
Dec 21, 2008 16:41
13 years ago
4.1

10 km
North Pacific Ocean, 275 km E of Tokyo, JapanMore
Dec 21, 2008 12:19
13 years ago
4.6

10 km
North Pacific Ocean, 258 km NE of Tokyo, JapanMore
Dec 21, 2008 10:36
13 years ago
4.2

10 km
North Pacific Ocean, 265 km NE of Tokyo, JapanMore
Dec 21, 2008 10:23
13 years ago
4.8

10 km
North Pacific Ocean, 266 km NE of Tokyo, JapanMore
Dec 21, 2008 09:55
13 years ago
4.6

14 km
North Pacific Ocean, 264 km E of Tokyo, JapanMore
Dec 21, 2008 09:16
13 years ago
5.9

13 km
North Pacific Ocean, 254 km NE of Tokyo, JapanMore
Dec 21, 2008 07:35
13 years ago
3.3

24 km
North Pacific Ocean, 279 km NE of Tokyo, JapanMore
Dec 21, 2008 00:24
13 years ago
4.2

10 km
North Pacific Ocean, 274 km E of Tokyo, JapanMore
Dec 20, 2008 19:13
13 years ago
5.4

10 km
North Pacific Ocean, 238 km NE of Tokyo, JapanMore
Dec 20, 2008 19:11
13 years ago
4.2

10 km
North Pacific Ocean, 266 km NE of Tokyo, JapanMore
Dec 20, 2008 17:37
13 years ago
5.1

10 km
North Pacific Ocean, 248 km NE of Tokyo, JapanMore
Dec 20, 2008 14:43
13 years ago
3.5

19 km
North Pacific Ocean, 270 km NE of Tokyo, JapanMore
Dec 20, 2008 12:34
13 years ago
3.3

10 km
North Pacific Ocean, 269 km E of Tokyo, JapanMore
Dec 20, 2008 12:31
13 years ago
3.6

25 km
North Pacific Ocean, 273 km NE of Tokyo, JapanMore
Dec 20, 2008 12:22
13 years ago
4.9

10 km
North Pacific Ocean, 267 km E of Tokyo, JapanMore
Dec 20, 2008 11:29
13 years ago
3.4

2 km
North Pacific Ocean, 276 km E of Tokyo, JapanMore
Dec 20, 2008 11:15
13 years ago
3.2

21 km
North Pacific Ocean, 280 km E of Tokyo, JapanMore
Dec 20, 2008 10:55
13 years ago
4.0

66 km
North Pacific Ocean, 271 km E of Tokyo, JapanMore
Dec 20, 2008 10:48
13 years ago
5.2

10 km
North Pacific Ocean, 267 km NE of Tokyo, JapanMore
Dec 20, 2008 10:40
13 years ago
3.8

25 km
North Pacific Ocean, 271 km NE of Tokyo, JapanMore
Dec 20, 2008 10:35
13 years ago
4.8

15 km
North Pacific Ocean, 273 km NE of Tokyo, JapanMore
Show all

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