Strong mag. 6.0 earthquake - Off East Coast of Honshu, Japan on Thursday, 11 April 2019 - information
Strong mag. 6.0 earthquake - North Pacific Ocean, 149 km east of Hachinohe, Hachinohe Shi, Aomori, Japan, on Thursday, 11 April 2019 at 08:18 (GMT)
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Strong magnitude 6.0 earthquake at 25 km depth
11 Apr 08:26 UTC: First to report: GFZ after 8 minutes.
Apr 11 08:27: Magnitude recalculated from 5.8 to 5.9.
Hypocenter depth recalculated from 50.0 to 42.0 km.
Apr 11 08:30: Magnitude recalculated from 5.9 to 6.0.
Hypocenter depth recalculated from 42.0 to 38.0 km.
Hypocenter depth recalculated from 38.0 to 25.0 km.
Apr 11 08:27: Magnitude recalculated from 5.8 to 5.9.
Hypocenter depth recalculated from 50.0 to 42.0 km.
Apr 11 08:30: Magnitude recalculated from 5.9 to 6.0.
Hypocenter depth recalculated from 42.0 to 38.0 km.
Hypocenter depth recalculated from 38.0 to 25.0 km.
Magnitude: 6
Depth: 25.0 km
Epicenter latitude / longitude: 40.38°N / 143.25°E

Nearest volcano: Osore-yama (181 km / 112 mi)
Nearby towns and cities:
608 km (378 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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 6.0 | 25 km | Off East Coast of Honshu, Japan | GFZ |
M 6.0 | 30 km | Off East Coast Of Honshu, Japan | EMSC |
M 6.2 | 20 km | Off east coast of Honshu, Japan [Sea: Japan] | INGV |
M 6.1 | 37 km | Off East Coast of Honshu, Japan | GeoAu |
M 6.1 | 12 km | 144km NE of Miyako, Japan | USGS |
M 6.0 | 10 km | 日本本州东岸远海 (Japan) | CEIC |
M 6.1 | 10 km | Off East Coast of Honshu, Japan | IMD |
User reports for this quake (11)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Goroka Eastern Highlands Province Papua New Guinea / not felt : I did not feel any effect
Goroka Eastern Highlands Province Papua New Guinea / not felt : I did not feel feel any effect of earthquake
Moon / Violent shaking (MMI IX) : My pants were shaken till they flew away.
North Pole Alaska at 2:44am about a 5.5 quake / Light shaking (MMI IV) : It suck's, but that's Alaska
Hakodate / Light shaking (MMI IV) : The light started to shake when we were watching tv. It was over quickly.
Tono, Iwate Prefecture (15.2 km NW of epicenter) [Map] / Light shaking (MMI IV)
Matsushima / Very weak shaking (MMI II)
Kakuda, Japan / Weak shaking (MMI III)
Sapporo. Sapporo Station (337.9 km NNW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Misawa Japan (163.9 km WNW of epicenter) [Map] / Light shaking (MMI IV)
Misawa / Light shaking (MMI IV)
Aftershocks of the 6.0 quake North Pacific Ocean, 149 km east of Hachinohe, Hachinohe Shi, Aomori, Japan, 11 April 2019 08:18 GMT
More info
Recorded aftershocks, latest first (2 quakes):- 03 Oct 2019 03:55 UTC| M 4.7 |35 km (21.7 mi) depth|61 km (38 mi) distance| USGS | Details
- 22 Apr 2019 17:45 UTC| M 5.2 |10 km (6.2 mi) depth|58 km (36 mi) distance| GFZ | Details
Earlier earthquakes in the same area
Strong mag. 6.0 earthquake - North Pacific Ocean, 149 km east of Hachinohe, Hachinohe Shi, Aomori, Japan, on Thursday, 11 April 2019 at 08:18 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!