Strong mag. 6.1 earthquake - Near East Coast of Honshu, Japan on Saturday, 12 September 2020 - information

Updated: Sep 24, 2021 08:15 GMT

Strong mag. 6.1 earthquake - North Pacific Ocean, 54 km southeast of Ōfunato, Iwate, Japan, on Saturday, September 12, 2020 at 02:44 (GMT)

-
Strong mag. 6.1 earthquake - North Pacific Ocean, 54 km southeast of Ōfunato, Iwate, Japan, on Saturday, September 12, 2020 at 02:44 (GMT)

Strong magnitude 6.1 earthquake at 40 km depth

12 Sep 02:54 UTC: First to report: GFZ after 10 minutes.
12 Sep 05:42: Magnitude recalculated from 6.1 to 6.0.
12 Sep 05:52: Hypocenter depth recalculated from 53.0 to 40.0 km (from 33 to 25 mi). Epicenter location corrected by 11.8 km (7.3 mi) towards WNW.
12 Sep 07:16: Magnitude recalculated from 6.0 to 6.1.
Date & time: Sep 12, 2020 02:44:11 UTC -
Magnitude: 6.1
Depth: 40.0 km
Epicenter latitude / longitude: 38.74°N / 142.17°E (North Pacific Ocean, Japan)
Antipode: 38.74°S / 37.83°W
Nearest volcano: Kurikoma (134 km / 83 mi)
Nearby towns and cities:
54 km (33 mi) SE of Ōfunato (pop: 35,400) --> See nearby quakes!
65 km (40 mi) SSE of Kamaishi (pop: 43,100) --> See nearby quakes!
73 km (46 mi) SSE of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
84 km (52 mi) ENE of Ishinomaki (pop: 117,200) --> See nearby quakes!
84 km (53 mi) SE of Tōno (pop: 26,800) --> See nearby quakes!
90 km (56 mi) ENE of Yamoto (Higashimatsushima) (pop: 32,000) --> See nearby quakes!
92 km (57 mi) ESE of Ichinoseki (pop: 63,000) --> See nearby quakes!
100 km (62 mi) ESE of Mizusawa (pop: 61,300) --> See nearby quakes!
125 km (78 mi) ENE of Sendai (pop: 1,063,100) --> See nearby quakes!
404 km (251 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
337 km (210 mi) ENE of Sado Island (pop: 55,200) --> See nearby quakes!
478 km (297 mi) NE of Honshū Island (pop: 104,000,000) --> See nearby quakes!
445 km (276 mi) SSE of Okushiri Island (pop: 3,340) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) More info
Show interactive Map
[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!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic 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.
Mag.DepthLocationSource
6.140 kmNear East Coast of Honshu, JapanGFZ
6.151 kmNear East Coast Of Honshu, JapanEMSC
6.246 kmNear East Coast of Honshu, JapanGeoAu
5.960 km72 Km SE of Kamaishi, JapanCEIC
6.035 kmNear East Coast of Eastern Honshu, Japan [Sea: Japan]INGV
6.132 km57 Km SE of Ōfunato, JapanUSGS

User reports for this quake (14)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Translate
Yokosuka, Kanagawa (443.5 km SSW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 20-30 s : I noticed a slight side to side movement on the 8th floor of a building. The television moved back and forth with the movement a little bit. Took about 2-3 seconds for me to realize it was a light earthquake | 3 users found this interesting.  
Narita, Chiba (368.6 km SSW of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 20-30 s
Misawa, Aomori (221 km NNW of epicenter) [Map] / Light shaking (MMI IV)
Ninomiya, Naka-gun, Kanagawa (461.6 km SW of epicenter) [Map] / not felt
Kawasaki (418.3 km SSW of epicenter) [Map] / Weak shaking (MMI III)
Tokyo (406.7 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / vibration and rolling / 20-30 s
Yokohama, Kanagawa (435.9 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / 5-10 s
Hiroshima (993.5 km WSW of epicenter) [Map] / not felt
Ōi, Fujimino-shi, Saitama (401.5 km SW of epicenter) [Map] / Weak shaking (MMI III)
Akau St, HI / not felt
Takizawa Japan / Weak shaking (MMI III) / horizontal (sideways) swinging : Shopping at the mall and noticable side to side movements  
Shichigahama / Light shaking (MMI IV) / 5-10 s
Nagaizumi, Shizuoka / Light shaking (MMI IV) / 15-20 s
Singapore / not felt
Volcanoes & Earthquakes - new app for Android

Aftershocks

More info

Recorded aftershocks, latest first (139 quakes)

  • 10 Mar 2021 23:09 UTC
    | M 3.6 |
    52.4 km (32.6 mi) depth
    |
    56 km (35 mi) distance
    | NIED | Details
  • 10 Mar 2021 17:31 UTC
    | M 2.6 |
    38.4 km (23.9 mi) depth
    |
    24 km (15 mi) distance
    | NIED | Details
  • 09 Mar 2021 00:49 UTC
    | M 2.5 |
    73.8 km (45.9 mi) depth
    |
    49 km (31 mi) distance
    | NIED | Details
  • 08 Mar 2021 23:48 UTC
    | M 3.3 |
    74.3 km (46.2 mi) depth
    |
    51 km (32 mi) distance
    | NIED | Details
  • 08 Mar 2021 23:29 UTC
    | M 5.4 |
    76.2 km (47.3 mi) depth
    |
    48 km (30 mi) distance
    | NIED | Details
  • 07 Mar 2021 17:08 UTC
    | M 3.3 |
    45 km (28 mi) depth
    |
    17 km (11 mi) distance
    | NIED | Details
  • 06 Mar 2021 19:30 UTC
    | M 2.6 |
    32.5 km (20.2 mi) depth
    |
    39 km (24 mi) distance
    | NIED | Details
  • 06 Mar 2021 13:42 UTC
    | M 3.8 |
    60.9 km (37.8 mi) depth
    |
    66 km (41 mi) distance
    | NIED | Details
  • 06 Mar 2021 06:34 UTC
    | M 2.6 |
    39.6 km (24.6 mi) depth
    |
    28 km (17 mi) distance
    | NIED | Details
  • 04 Mar 2021 16:18 UTC
    | M 2.8 |
    56.9 km (35.4 mi) depth
    |
    45 km (28 mi) distance
    | NIED | Details
  • 02 Mar 2021 21:24 UTC
    | M 2.8 |
    11.8 km (7.3 mi) depth
    |
    60 km (37 mi) distance
    | NIED | Details
  • 02 Mar 2021 08:33 UTC
    | M 3.4 |
    33.4 km (20.8 mi) depth
    |
    29 km (18 mi) distance
    | NIED | Details
  • 02 Mar 2021 05:09 UTC
    | M 2.9 |
    50.6 km (31.4 mi) depth
    |
    31 km (19 mi) distance
    | NIED | Details
  • 01 Mar 2021 02:03 UTC
    | M 2.9 |
    61.7 km (38.3 mi) depth
    |
    56 km (35 mi) distance
    | NIED | Details
  • 27 Feb 2021 08:16 UTC
    | M 2.7 |
    47.1 km (29.3 mi) depth
    |
    26 km (16 mi) distance
    | NIED | Details
  • 25 Feb 2021 20:32 UTC
    | M 2.8 |
    60.8 km (37.8 mi) depth
    |
    53 km (33 mi) distance
    | NIED | Details
  • Show all

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
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.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.