Strong mag. 6.5 earthquake - Off East Coast of Honshu, Japan on Saturday, 11 October 2014
Strong mag. 6.3 earthquake - North Pacific Ocean, 154 km east of Hachinohe, Aomori, Japan, on Saturday, 11 October 2014 at 02:35 (GMT)
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Strong magnitude 6.3 earthquake at 14 km depth
11 Oct 04:17 UTC: First to report: GeoAu after 1 hour and 41 minutes.
Oct 13 00:17: Magnitude recalculated from 6.5 to 6.3.
Hypocenter depth recalculated from 2.0 to 14.0 km.
Oct 13 00:17: Magnitude recalculated from 6.5 to 6.3.
Hypocenter depth recalculated from 2.0 to 14.0 km.
Magnitude: 6.3
Depth: 14.0 km
Epicenter latitude / longitude: 40.987°N / 143.216°E

Nearest volcano: Mutsu-Hiuchi-dake (202 km / 126 mi)
Nearby towns and cities:
154 km (96 mi) ENE of Hachinohe (pop: 239,000) --> See nearby quakes!
157 km (98 mi) ENE of Misawa (pop: 42,800) --> See nearby quakes!
171 km (106 mi) E of Mutsu (pop: 49,200) --> See nearby quakes!
184 km (114 mi) NE of Miyako (pop: 51,700) --> See nearby quakes!
210 km (130 mi) E of Aomori (pop: 298,400) --> See nearby quakes!
215 km (133 mi) S of Obihiro (pop: 173,900) --> See nearby quakes!
225 km (140 mi) ESE of Hakodate (pop: 275,700) --> See nearby quakes!
226 km (141 mi) NE of Morioka (pop: 295,200) --> See nearby quakes!
278 km (173 mi) SE of Sapporo (pop: 1,883,000) --> See nearby quakes!
664 km (413 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
336 km (209 mi) S of Hokkaido Island (pop: 5,500,000) --> See nearby quakes!
214 km (133 mi) NNE of Sangan-jima Island --> See nearby quakes!
Primary data source: GeoAu (Geoscience Australia )
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
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.
Magnitude | Depth | Location | Source |
M 6.3 | 14 km | ENE of Hachinohe, Japan | GeoAu |
M 6.3 | 14 km | 154km ENE of Hachinohe, Japan | USGS |
M 6.3 | 10 km | HOKKAIDO, JAPAN REGION | EMSC |
M 6.0 | 18 km | Hokkaido, Japan Region | GFZ |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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There are no user reports for this quake yet. If you felt it Aftershocks of the 6.3 quake North Pacific Ocean, 154 km east of Hachinohe, Aomori, Japan, 11 October 2014 02:35 GMT
More info
Recorded aftershocks, latest first (7 quakes):- 01 Apr 2015 18:44 UTC| M 4.4 |37 km (23 mi) depth|77 km (48 mi) distance| EMSC | Details
- 07 Mar 2015 23:16 UTC| M 4.4 |56 km (34.8 mi) depth|70 km (43 mi) distance| EMSC | Details
- 15 Jan 2015 01:34 UTC| M 4.5 |30 km (18.6 mi) depth|14 km (9 mi) distance| EMSC | Details
- 13 Jan 2015 17:04 UTC| M 4.7 |40 km (24.9 mi) depth|11 km (7 mi) distance| EMSC | Details
- 14 Oct 2014 18:08 UTC| M 5.1 |32 km (19.9 mi) depth|6 km (3 mi) distance| EMSC | Details
- 11 Oct 2014 09:58 UTC| M 4.4 |31.9 km (19.8 mi) depth|15 km (9 mi) distance| USGS | Details
- 11 Oct 2014 05:20 UTC| M 5.6 |10 km (6.2 mi) depth|6 km (4 mi) distance| GFZ | Details
Earlier earthquakes in the same area
Strong mag. 6.3 earthquake - North Pacific Ocean, 154 km east of Hachinohe, Aomori, Japan, on Saturday, 11 October 2014 at 02:35 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!