Strong mag. 6.5 earthquake - Off East Coast of Honshu, Japan on Saturday, 11 October 2014
Very strong mag. 6.3 earthquake - North Pacific Ocean, 210 km east of Aomori, Japan, on Saturday, October 11, 2014 at 02:35 GMT
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Very 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.
Earthquake details
| Date & time | Oct 11, 2014 02:35:46 UTC |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 6.3 |
| Depth | 14.0 km |
| Epicenter latitude / longitude | 40.987°N / 143.216°E  (North Pacific Ocean, Japan) |
| Antipode | 40.987°S / 36.784°W |
| Shaking intensity | Strong shaking near epicenter |
| Felt | 0 reports |
| Primary data source | GeoAu (Geoscience Australia ) |
| Nearest volcano | Mutsu-Hiuchi-dake (202 km / 126 mi) |
| Nearby towns and cities | 154 km (96 mi) ENE of Hachinohe (pop: 239,000) | Show on map | Quakes nearby 157 km (98 mi) ENE of Misawa (pop: 42,800) | Show on map | Quakes nearby 166 km (103 mi) SSE of Shizunai-furukawachō (pop: 22,400) | Show on map | Quakes nearby 171 km (106 mi) E of Mutsu (pop: 49,200) | Show on map | Quakes nearby 184 km (114 mi) ENE of Ichinohe (pop: 15,800) | Show on map | Quakes nearby 184 km (114 mi) NE of Miyako (pop: 51,700) | Show on map | Quakes nearby 210 km (130 mi) E of Aomori (pop: 298,400) | Show on map | Quakes nearby 226 km (141 mi) NE of Morioka (pop: 295,200) | Show on map | Quakes nearby 278 km (173 mi) SE of Sapporo (pop: 1,883,000) | Show on map | Quakes nearby 664 km (413 mi) NNE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby 273 km (170 mi) S of Hokkaido Island (pop: 5,500,000) | Show on map | Quakes nearby |
| Estimated seismic energy released | 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) | about seismic energy |
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. | Depth | Location | Source |
| 6.3 | 14 km | ENE of Hachinohe, Japan | GeoAu |
| 6.3 | 14 km | 154km ENE of Hachinohe, Japan | USGS |
| 6.3 | 10 km | HOKKAIDO, JAPAN REGION | EMSC |
| 6.0 | 18 km | Hokkaido, Japan Region | GFZ |
(shakemap: USGS)
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (7 quakes)
Date and time | Mag Depth | Location | Details |
| Apr 1, 2015 18:44 7 years ago | 4.4 37 km | North Pacific Ocean, 177 km NE of Morioka, Iwate, Japan | More |
| Mar 7, 2015 23:16 7 years ago | 4.4 56 km | North Pacific Ocean, 87 km E of Hachinohe, Aomori, Japan | More |
| Jan 15, 2015 01:34 8 years ago | 4.5 30 km | North Pacific Ocean, 140 km E of Hachinohe, Aomori, Japan | More |
| Jan 13, 2015 17:04 8 years ago | 4.7 40 km | North Pacific Ocean, 161 km E of Hachinohe, Aomori, Japan | More |
| Oct 14, 2014 18:08 8 years ago | 5.1 32 km | North Pacific Ocean, 149 km E of Hachinohe, Aomori, Japan | More |
| Oct 11, 2014 09:58 8 years ago | 4.4 32 km | North Pacific Ocean, 143 km E of Hachinohe, Aomori, Japan | More |
| Oct 11, 2014 05:20 8 years ago | 5.6 10 km | North Pacific Ocean, 150 km NE of Hachinohe, Aomori, Japan | More |
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