Very strong mag. 6.3 earthquake - 37 km east of Miyako, Iwate, Japan, on Sunday, July 4, 2010 at 21:55 GMT

Very strong mag. 6.3 earthquake - 37 km east of Miyako, Iwate, Japan, on Sunday, July 4, 2010 at 21:55 GMT Very strong mag. 6.3 earthquake - 37 km east of Miyako, Iwate, Japan, on Sunday, July 4, 2010 at 21:55 GMT

Very strong magnitude 6.3 earthquake at 27 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.

Earthquake details

Date & timeJul 4, 2010 21:55:51 UTC
Local time at epicenter
StatusConfirmed
Magnitude6.3
Depth27.0 km
Epicenter latitude / longitude39.697°N / 142.369°E (North Pacific Ocean, Japan)
Antipode39.697°S / 37.631°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoNanashigure (115 km / 71 mi)
Nearby towns and cities37 km (23 mi) E of Miyako (pop: 51,700) | Show on map | Quakes nearby
44 km (27 mi) NE of Yamada (Shimohei-gun) (pop: 20,100) | Show on map | Quakes nearby
54 km (34 mi) NE of Ōtsuchi (Kamihei-gun) (pop: 16,500) | Show on map | Quakes nearby
64 km (39 mi) NE of Kamaishi (pop: 43,100) | Show on map | Quakes nearby
83 km (52 mi) ENE of Tōno (pop: 26,800) | Show on map | Quakes nearby
89 km (56 mi) NE of Ofunato (pop: 35,400) | Show on map | Quakes nearby
104 km (65 mi) E of Morioka (pop: 295,200) | Show on map | Quakes nearby
116 km (72 mi) SE of Hachinohe (pop: 239,000) | Show on map | Quakes nearby
205 km (128 mi) NE of Sendai (pop: 1,063,100) | Show on map | Quakes nearby
504 km (313 mi) NNE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
Estimated seismic energy released1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) | about seismic energy
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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
6.327 kmnear 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 (10 quakes)

Date and timeMag
Depth
LocationDetails
Nov 24, 2010 23:56
12 years ago
4.1

72 km
63 km NE of Miyako, Iwate, JapanMore
Nov 18, 2010 19:08
12 years ago
4.0

65 km
11 km E of Miyako, Iwate, JapanMore
Oct 24, 2010 21:10
12 years ago
4.3

77 km
Shimohei-gun, 19 km NW of Miyako, Iwate, JapanMore
Oct 15, 2010 21:14
12 years ago
4.5

48 km
74 km SE of Hachinohe, Aomori, JapanMore
Sep 28, 2010 18:35
12 years ago
4.1

79 km
9.5 km N of Miyako, Iwate, JapanMore
Aug 13, 2010 08:32
12 years ago
4.4

25 km
169 km E of Morioka, Iwate, JapanMore
Aug 12, 2010 01:09
12 years ago
4.4

23 km
185 km E of Morioka, Iwate, JapanMore
Aug 10, 2010 20:00
12 years ago
4.1

37 km
185 km E of Morioka, Iwate, JapanMore
Aug 10, 2010 06:04
12 years ago
4.4

38 km
185 km E of Morioka, Iwate, JapanMore
Aug 10, 2010 05:50
12 years ago
5.9

22 km
107 km E of Miyako, Iwate, JapanMore

Earlier earthquakes in the same area

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