Strong mag. 6.5 earthquake - Gulf of Alaska on Tuesday, 23 January 2018 - information

Major magnitude 6.5 earthquake - Gulf of Alaska, 150 mi southeast of Kodiak, Alaska, USA, on Tuesday, 23 January 2018 at 11:46 (GMT)

This quake was likely an aftershock of the 7.9 quake North Pacific Ocean, 181 mi southeast of Kodiak, Alaska, USA, 23 January 2018 09:31 GMT, which had occurred 2 hours and 15 minutes earlier.
Major magnitude 6.5 earthquake - Gulf of Alaska, 150 mi southeast of Kodiak, Alaska, USA, on Tuesday, 23 January 2018 at 11:46 (GMT)

Major magnitude 6.5 earthquake at 10 km depth

Date & time: 23 Jan 2018 11:46:58 UTC
Magnitude: 6.5
Depth: 10.0 km
Epicenter latitude / longitude: 56.5°N / 149.18°W (Gulf of Alaska, United States)
Nearby towns and cities:
225 km (140 mi) ESE of Chiniak (pop: 47) --> See nearby quakes!
242 km (150 mi) SE of Kodiak (pop: 6,250) --> See nearby quakes!
250 km (155 mi) ESE of Kodiak Station (pop: 1,300) --> See nearby quakes!
376 km (234 mi) SSE of Homer (pop: 5,520) --> See nearby quakes!
381 km (237 mi) SSE of Fritz Creek (pop: 1,930) --> See nearby quakes!
396 km (246 mi) SSE of Anchor Point (pop: 1,930) --> See nearby quakes!
401 km (249 mi) S of Seward (pop: 2,790) --> See nearby quakes!
453 km (281 mi) SSE of Kalifornsky (pop: 7,850) --> See nearby quakes!
457 km (284 mi) SSE of Soldotna (pop: 4,540) --> See nearby quakes!
458 km (285 mi) SSE of Sterling (pop: 5,620) --> See nearby quakes!
279 km (174 mi) ESE of Kodiak Island (pop: 13,600) --> 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
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!
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.
MagnitudeDepthLocationSource
6.510 kmGulf of AlaskaGFZ

User reports for this quake (2)

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!
ninilchik / Very weak shaking (MMI II)
517.7 km N of epicenter [Map] / not felt : Slept through it. (reported through our app)  
Volcanoes & Earthquakes - new app for Android

Aftershocks

More info
Recorded aftershocks, latest first (666 quakes):
  • 22 Jul 2018 06:53 UTC
    | M 3.2 |
    20.4 km (12.7 mi) depth
    |
    28 km (17 mi) distance
    | USGS | Details
  • 21 Jul 2018 22:22 UTC
    | M 2.6 |
    5 km (3.1 mi) depth
    |
    45 km (28 mi) distance
    | USGS | Details
  • 21 Jul 2018 20:02 UTC
    | M 2.9 |
    34.9 km (21.7 mi) depth
    |
    9 km (6 mi) distance
    | USGS | Details
  • 21 Jul 2018 19:48 UTC
    | M 4.4 |
    22.6 km (14 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 21 Jul 2018 07:49 UTC
    | M 2.4 |
    5 km (3.1 mi) depth
    |
    9 km (5 mi) distance
    | USGS | Details
  • 20 Jul 2018 20:46 UTC
    | M 3.6 |
    10 km (6.2 mi) depth
    |
    37 km (23 mi) distance
    | EMSC | Details
  • 20 Jul 2018 10:42 UTC
    | M 3.0 |
    34 km (21.1 mi) depth
    |
    33 km (20 mi) distance
    | EMSC | Details
  • 19 Jul 2018 04:25 UTC
    | M 2.5 |
    5.5 km (3.4 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 15 Jul 2018 16:05 UTC
    | M 3.4 |
    20.9 km (13 mi) depth
    |
    39 km (24 mi) distance
    | USGS | Details
  • 13 Jul 2018 21:32 UTC
    | M 4.7 |
    12 km (7.5 mi) depth
    |
    40 km (25 mi) distance
    | EMSC | Details
  • 13 Jul 2018 10:08 UTC
    | M 3.3 |
    17.1 km (10.6 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
  • 12 Jul 2018 08:48 UTC
    | M 2.5 |
    10 km (6.2 mi) depth
    |
    79 km (49 mi) distance
    | USGS | Details
  • 12 Jul 2018 00:47 UTC
    | M 3.3 |
    7 km (4.3 mi) depth
    |
    95 km (59 mi) distance
    | EMSC | Details
  • 12 Jul 2018 00:46 UTC
    | M 3.5 |
    7 km (4.3 mi) depth
    |
    95 km (59 mi) distance
    | EMSC | Details
  • 09 Jul 2018 17:48 UTC
    | M 3.3 |
    11 km (6.8 mi) depth
    |
    52 km (32 mi) distance
    | EMSC | Details
  • 07 Jul 2018 02:19 UTC
    | M 3.4 |
    17.2 km (10.7 mi) depth
    |
    81 km (50 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

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:
  • 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!
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.
Home | Travel | Destinations | Volcanoes | Photos | Earthquakes | About | Glossary | News | Contact | Privacy | About us || Français | Deutsch
Follow us:
Follow us on facebookFollow us on TwitterVisit our Youtube channel