Strong mag. 6.6 earthquake - Off East Coast of Honshu, Japan on Friday, 11 July 2014

Major magnitude 6.5 earthquake - North Pacific Ocean, 287 km northeast of Tokyo, Japan, on Friday, July 11, 2014 at 19:22 (GMT)

Major magnitude 6.5 earthquake - North Pacific Ocean, 287 km northeast of Tokyo, Japan, on Friday, July 11, 2014 at 19:22 (GMT)

Major magnitude 6.5 earthquake at 10 km depth

11 Jul 19:31 UTC: First to report: GFZ after 9 minutes.
Jul 11 20:10: Magnitude recalculated from 6.6 to 6.5.
Date & time: Jul 11, 2014 19:22:00 UTC
Magnitude: 6.5
Depth: 10.0 km
Epicenter latitude / longitude: 37.12°N / 142.36°E (North Pacific Ocean, Japan)
Antipode: 37.12°S / 37.64°W
Nearest volcano: Adatara (184 km / 114 mi)
Nearby towns and cities:
127 km (79 mi) ESE of Namie (Futaba-gun) (pop: 21,900) --> See nearby quakes!
131 km (82 mi) E of Iwaki (pop: 357,300) --> See nearby quakes!
148 km (92 mi) ENE of Kitaibaraki (pop: 50,800) --> See nearby quakes!
163 km (101 mi) ENE of Hitachi (pop: 186,300) --> See nearby quakes!
181 km (113 mi) ESE of Fukushima (pop: 294,200) --> See nearby quakes!
183 km (114 mi) SE of Sendai (pop: 1,063,100) --> See nearby quakes!
191 km (118 mi) ENE of Mito (pop: 246,500) --> See nearby quakes!
215 km (133 mi) SE of Yamagata (pop: 254,500) --> See nearby quakes!
287 km (178 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
307 km (191 mi) NE of Yokohama (pop: 3,574,400) --> See nearby quakes!
409 km (254 mi) ENE of Honshū Island (pop: 104,000,000) --> See nearby quakes!
361 km (224 mi) ESE of Sado Island (pop: 55,200) --> See nearby quakes!
421 km (262 mi) NE of Shikine-jima Island (pop: 600) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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
6.510 kmOff East Coast of Honshu, JapanGFZ
6.56 km OFF EAST COAST OF HONSHU, JAPANEMSC

User reports for this quake (23)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Tokyo / Light shaking (MMI IV) : J'étais au 20e étage d'un hôtel à Tokyo. L'hôtel se "balançait" de gauche à droite. C'était pas très rassurant !  
shinjuku / Light shaking (MMI IV)
Tsukuba / Light shaking (MMI IV)
Tokyo, Chou-ku (280.9 km SW of epicenter) [Map] / Light shaking (MMI IV)
Yokohama, Navios Hotel (306.9 km SW of epicenter) [Map] / Moderate shaking (MMI V) : I was in Navios Hotel and 6 floors and I was in the bad. Very lisght shaking.   
Germany, Francfort / Very weak shaking (MMI II) : It lasts only for a second and it was very weak.  
Narita ana crowne plaza hotel / Light shaking (MMI IV)
tokyo (231.6 km SW of epicenter) [Map] / Moderate shaking (MMI V)
narita tokyo (231.6 km SW of epicenter) [Map] / Light shaking (MMI IV)
narita tokyo (231.6 km SW of epicenter) [Map] / Light shaking (MMI IV)
narita tokyo (231.6 km SW of epicenter) [Map] / Light shaking (MMI IV)
Tokyo (288.9 km SW of epicenter) [Map] / Strong shaking (MMI VI)
Shinjuku / Violent shaking (MMI IX)
Chino (397.5 km WSW of epicenter) [Map] / Weak shaking (MMI III)
Musashino (Japan, 299 km SW of epicenter) : Woke up to the feeling that someone was rocking my bed from side to side with moderate strength. (reported through EMSC)  
Shinjuku (Japan, 290 km SW of epicenter) : First experience of an Earthquake. Not pleasant! Felt the building shaking from the 12th floor at our Hotel. (reported through EMSC)  
Shinjuku (Japan, 290 km SW of epicenter) : Dauer der Schwankungen des Gebäudes ca 20 sec (reported through EMSC)  
Tsukuba (Japan, 238 km SW of epicenter) : it was strong. i woke up. (reported through EMSC)  
Sendai (Japan, 184 km NW of epicenter) : It woke me up, the room shook for 20 seconds or so, it got a little worse in the middle, and i did fear that it might turn into a big quake, but no, it soon quietened down. (reported through EMSC)  
Forestville (United States, 7922 km E of epicenter) : I was in my kitchen and heard some very small distinctive creaks. I knew it was a distant earthquake because this has happened before. (reported through EMSC)  
Chiyoda (Japan, 286 km SW of epicenter) : No. (reported through EMSC)  
Narita (Japan, 239 km SW of epicenter) : Earthquake woke me up all things shaking in room (reported through EMSC)  
Tsukuba (Japan, 238 km SW of epicenter) : First it felt like when you are getting dizzy but it got stronger. The room was shaking left and right like a roller coaster ride, I was about to leave when it stopped but it went on for half a minute at least. (reported through EMSC)  
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Aftershocks

More info

Recorded aftershocks, latest first (25 quakes)

  • 27 Dec 2014 18:19 UTC
    | M 4.6 |
    66 km (41 mi) depth
    |
    81 km (50 mi) distance
    | EMSC | Details
  • 24 Dec 2014 23:06 UTC
    | M 5.2 |
    14 km (8.7 mi) depth
    |
    70 km (44 mi) distance
    | GFZ | Details
  • 20 Dec 2014 09:29 UTC
    | M 5.9 |
    43 km (26.7 mi) depth
    |
    78 km (48 mi) distance
    | GFZ | Details
  • 13 Dec 2014 19:46 UTC
    | M 4.6 |
    37.3 km (23.2 mi) depth
    |
    88 km (55 mi) distance
    | USGS | Details
  • 25 Nov 2014 19:38 UTC
    | M 4.4 |
    38.4 km (23.9 mi) depth
    |
    62 km (39 mi) distance
    | USGS | Details
  • 20 Nov 2014 01:51 UTC
    | M 5.5 |
    46 km (28.6 mi) depth
    |
    82 km (51 mi) distance
    | GFZ | Details
  • 07 Nov 2014 23:54 UTC
    | M 5.0 |
    39 km (24.2 mi) depth
    |
    82 km (51 mi) distance
    | GFZ | Details
  • 18 Oct 2014 20:25 UTC
    | M 4.3 |
    41.4 km (25.7 mi) depth
    |
    85 km (53 mi) distance
    | USGS | Details
  • 10 Oct 2014 20:17 UTC
    | M 4.5 |
    47 km (29.2 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 07 Oct 2014 19:07 UTC
    | M 4.8 |
    40.4 km (25.1 mi) depth
    |
    101 km (63 mi) distance
    | USGS | Details
  • 24 Sep 2014 13:30 UTC
    | M 5.1 |
    58 km (36 mi) depth
    |
    103 km (64 mi) distance
    | GFZ | Details
  • 18 Sep 2014 16:34 UTC
    | M 4.5 |
    52.4 km (32.6 mi) depth
    |
    106 km (66 mi) distance
    | USGS | Details
  • 30 Aug 2014 20:44 UTC
    | M 4.5 |
    60 km (37.3 mi) depth
    |
    85 km (53 mi) distance
    | EMSC | Details
  • 30 Aug 2014 20:42 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    58 km (36 mi) distance
    | EMSC | Details
  • 29 Aug 2014 13:33 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    95 km (59 mi) distance
    | GFZ | Details
  • 29 Aug 2014 07:35 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    103 km (64 mi) distance
    | GFZ | Details
  • Show all

Earlier earthquakes in the same area

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