Moderate mag. 5.8 earthquake - North Pacific Ocean, 575 km northeast of Tokio, Tokyo, Japan, on Friday, 16 September 2011 at 21:36 (GMT)

Moderate mag. 5.8 earthquake - North Pacific Ocean, 575 km northeast of Tokio, Tokyo, Japan, on Friday, 16 September 2011 at 21:36 (GMT)

Moderate magnitude 5.8 earthquake at 41 km depth

Date & time: 16 Sep 2011 21:36:38 UTC
Magnitude: 5.8
Profondeur: 40.7 km
Epicenter latitude / longitude: 40.077°N / 143.15°E (Océan Pacifique Nord, Japon)
Volcan le plus près: Osore-yama (174 km / 108 mi)
Nearby towns and cities:
114 km ENE de Miyako (pop: 51,700) --> Voir les séismes à proximité!
123 km NE de Yamada (Shimohei-gun) (pop: 20,100) --> Voir les séismes à proximité!
133 km NE de Ōtsuchi (Kamihei-gun) (pop: 16,500) --> Voir les séismes à proximité!
141 km NE de Kamaishi (pop: 43,100) --> Voir les séismes à proximité!
148 km ESE de Hachinohe (pop: 239,000) --> Voir les séismes à proximité!
164 km ESE de Misawa (pop: 42,800) --> Voir les séismes à proximité!
176 km ENE de Morioka (pop: 295,200) --> Voir les séismes à proximité!
195 km ENE de Kitakami (pop: 93,900) --> Voir les séismes à proximité!
365 km SSE de Sapporo (pop: 1,883,000) --> Voir les séismes à proximité!
575 km NNE de Tokyo (pop: 8,336,600) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.2 x 1013 joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 atomic bombs!) More info
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
MagnitudeProfondeurLocationSource
M 5.841 kmoff 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 yet. If you felt it be the first to report it!
Volcanoes & Earthquakes - new app for Android
to top
to top

Aftershocks of the 5.8 quake North Pacific Ocean, 575 km northeast of Tokio, Tokyo, Japan, 16 September 2011 21:36 GMT

More info
Recorded aftershocks, latest first (25 quakes):
  • 11 Nov 2011 16:06 UTC
    | M 4.9 |
    35 km (21.7 mi) depth
    |
    44 km (27 mi) distance
    | USGS | Details
  • 05 Nov 2011 07:56 UTC
    | M 4.8 |
    41.2 km (25.6 mi) depth
    |
    48 km (30 mi) distance
    | USGS | Details
  • 31 Oct 2011 14:09 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    47 km (29 mi) distance
    | USGS | Details
  • 31 Oct 2011 05:17 UTC
    | M 4.2 |
    40.8 km (25.4 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details
  • 13 Oct 2011 21:05 UTC
    | M 4.8 |
    21.2 km (13.2 mi) depth
    |
    43 km (27 mi) distance
    | USGS | Details
  • 08 Oct 2011 16:34 UTC
    | M 4.4 |
    35 km (21.7 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 30 Sep 2011 05:09 UTC
    | M 4.9 |
    37.7 km (23.4 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details
  • 24 Sep 2011 00:08 UTC
    | M 4.4 |
    50.2 km (31.2 mi) depth
    |
    41 km (26 mi) distance
    | USGS | Details
  • 23 Sep 2011 18:35 UTC
    | M 4.9 |
    35 km (21.7 mi) depth
    |
    47 km (29 mi) distance
    | USGS | Details
  • 23 Sep 2011 01:02 UTC
    | M 4.3 |
    35 km (21.7 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
  • 18 Sep 2011 20:05 UTC
    | M 4.2 |
    35 km (21.7 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14210 km (8830 mi) distance
    | | Details
  • 18 Sep 2011 07:04 UTC
    | M 5.6 |
    10 km (6.2 mi) depth
    |
    27 km (17 mi) distance
    | USGS | Details
  • 17 Sep 2011 21:05 UTC
    | M 4.3 |
    46.7 km (29 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 17 Sep 2011 17:54 UTC
    | M 5.2 |
    22.1 km (13.7 mi) depth
    |
    20 km (12 mi) distance
    | USGS | Details
  • 17 Sep 2011 11:16 UTC
    | M 4.6 |
    36.9 km (22.9 mi) depth
    |
    27 km (17 mi) distance
    | USGS | Details
    • Show all

to top

Earlier earthquakes in the same area since 1900

Moderate mag. 5.8 earthquake - North Pacific Ocean, 575 km northeast of Tokio, Tokyo, Japan, on Friday, 16 September 2011 at 21:36 (GMT)

Map of earlier quakes

Volcanoes & Earthquakes - new app for Android
en haut
Why is there advertising on this site?

Support us - Help us upgrade our server!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
Our server is reaching its limits and we need financing to increase capacity in order to deal with huge activity peaks when quakes occur. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every penny counts and every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features and in upgrading our software, please make a donation (PayPal or Online cc payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you! With best regards from the VolcanoDiscovery team.
Copyright: VolcanoDiscovery ou autres sources indiquées.
Utilisation des documents: Les textes, les images et les vidéos de ce site internet sont protégées par copyright. Toute reproduction et tout usage sans accord préalable ne sont pas autorisés. Si vous désirez acquérir pour certains documents (photos, vidéos, textes ou autres) le droit de reproduction, d'édition et, plus généralement, de toute utilisation destinée à un usage public, qu'elle soit commerciale ou pas, vous êtes priés de nous contacter.