Moderate mag. 5.0 earthquake - SOUTHERN ALASKA on Saturday, 1 December 2018 at 07:57 (GMT)

This quake was likely an aftershock of the 7.0 quake SOUTHERN ALASKA 30 November 17:29 UTC, which had occurred 14 hours earlier.
Moderate mag. 5.0 earthquake  -  SOUTHERN ALASKA on Saturday, 1 December 2018 at 07:57 (GMT)

Moderate magnitude 5.0 earthquake at 60 km depth

1 Dec 08:02 UTC: First to report: EMSC after 5 minutes.
Dec 1 08:06: Magnitude recalculated from 5.3 to 5.2.
Hypocenter depth recalculated from 34.0 to 10.0 km.
Dec 1 08:11: Magnitude recalculated from 5.2 to 5.4.
Hypocenter depth recalculated from 10.0 to 46.0 km.
Dec 1 08:12: Magnitude recalculated from 5.4 to 5.0.
Hypocenter depth recalculated from 46.0 to 48.0 km.
Hypocenter depth recalculated from 48.0 to 60.0 km.
Date & time: 1 Dec 2018 07:57:20 UTC###AGESTRINGCOPY###
Magnitude: 5.0
Depth: 60.0 km
Epicenter latitude / longitude: 61.38°N / 149.99°W (United States)
Nearest volcano: Spurr (120 km / 75 mi)
Nearby towns and cities:
2 km (1 mi) NNW of Knik (Matanuska-Susitna County) (pop: 529)
16 km (10 mi) S of Houston (Matanuska-Susitna County) (pop: 3,350)
23 km (15 mi) WNW of Elmendorf Air Force Base (Anchorage County) (pop: 24,800)
23 km (15 mi) WNW of Eagle River (Anchorage County) (pop: 24,800)
25 km (16 mi) SW of Knik-Fairview (Matanuska-Susitna County) (pop: 14,900)
29 km (18 mi) SSW of Meadow Lakes (Matanuska-Susitna County) (pop: 2,210)
34 km (21 mi) SW of Meadow Lakes (Matanuska-Susitna County) (pop: 7,570)
44 km (27 mi) SW of Lakes (Matanuska-Susitna County) (pop: 8,360)
Primary data source: EMSC
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) [learn more]
[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
M 5.060 km SOUTHERN ALASKAEMSC
M 5.239 km- 17km NNW of Anchorage, AlaskaUSGS
M 5.655 kmSouthern AlaskaGFZ
M 5.440 kmSouthern AlaskaGeoAu

User reports for this quake (49)

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!
Anchorage / Moderate shaking (MMI V)
Trappercreek / Moderate shaking (MMI V)
Nikiski Alaska (113.2 km SW of epicenter) [Map] / Light shaking (MMI IV) : It wasnt bad it was a little shake it felt like a wave,,, (reported through our app)
The Place Nikiski 99635 / Moderate shaking (MMI V) : My friend and I felt table, chairs we were sitting at shake. Thought it was the band until I looked to see if ceiling fan cord was moving yep. Then noticed alcohol bottles shaking on shelf. Sober folks felt it.
Girdwood (66 km SE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
97.6 km SW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
26.9 km SSE of epicenter [Map] / Strong shaking (MMI VI) (reported through our app)
51.4 km ENE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Anchorage / Light shaking (MMI IV)
Anchorage / Light shaking (MMI IV)
Fishhook, Ak / Light shaking (MMI IV)
39.6 km ENE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
24.5 km SSE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
24.5 km SSE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
30.6 km SSE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Palmer / Light shaking (MMI IV)
19.4 km SSE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
23 km SSE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
32.9 km SSE of epicenter [Map] / Strong shaking (MMI VI) (reported through our app)
Rives Court / Moderate shaking (MMI V)
207.7 km SSW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Anchorage Alaska (24.6 km SE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
22.7 km SSE of epicenter [Map] / Moderate shaking (MMI V) : Rattling the nerves as well as dishes. (reported through our app)
K-Beach Rd (119.2 km SW of epicenter) [Map] / Light shaking (MMI IV) : I just want these aftershocks to stop! (reported through our app)
32.8 km SSE of epicenter [Map] / Moderate shaking (MMI V)
Palmer (47.1 km ENE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Mackey Lake, Soldotna, AK, 99669 (109.3 km SSW of epicenter) [Map] / Light shaking (MMI IV) : 15 seconds approximately of light shaking which started with a heavier shock that rattled with several inches of side to side swaying gradually diminishing. Noise but no upset pictures or other stuff.
Nikiski at approx mile 23 Spur Hwy / Moderate shaking (MMI V)
27.1 km SSE of epicenter [Map] / Light shaking (MMI IV)
26.1 km NE of epicenter [Map] / Light shaking (MMI IV) : I counted about 10 seconds of light shaking and then one sharp jolt. (reported through our app)
Sutton (69.5 km ENE of epicenter) [Map] / Light shaking (MMI IV) : Light shaking 8-10 seconds (reported through our app)
114.9 km SW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
S. Johnson Road, Wasilla / Moderate shaking (MMI V)
19.7 km SSE of epicenter [Map] / Moderate shaking (MMI V) : Started with light shaking then got quite strong (reported through our app)
30.8 km NE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
97.3 km SW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
47.4 km NE of epicenter [Map] / Strong shaking (MMI VI) (reported through our app)
135.2 km SSW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
57.4 km ENE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
22.4 km SSE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Anchorage / Moderate shaking (MMI V)
Anchorage / Moderate shaking (MMI V) : Quite a bit of shaking and things fell off of shelves. Lasted 5-10 seconds
25.2 km SSE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
49.3 km ENE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
113.5 km SSW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
21.8 km SE of epicenter [Map] / Very strong shaking (MMI VII) (reported through our app)
24.1 km SE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
24.6 km SSE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Eagle River (United States of America, 25 km E of epicenter) : Scary aftershocks all day, more violent recently. (reported through EMSC)
Volcanoes & Earthquakes - new app for Android

Aftershocks of the 5.0 quake SOUTHERN ALASKA 1 December 07:57 UTC

More info
Recorded aftershocks, latest first (1728 quakes):
  • 29 Jan 2019 17:57 UTC
    | M 2.8 |
    19.5 km (12.1 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 29 Jan 2019 11:59 UTC
    | M 3.5 |
    20 km (12.4 mi) depth
    |
    4 km (3 mi) distance
    | EMSC | Details
  • 29 Jan 2019 10:45 UTC
    | M 2.7 |
    38.3 km (23.8 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 29 Jan 2019 04:11 UTC
    | M 2.4 |
    20.1 km (12.5 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details
  • 28 Jan 2019 14:59 UTC
    | M 2.5 |
    29.7 km (18.5 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 28 Jan 2019 14:48 UTC
    | M 2.0 |
    32.8 km (20.4 mi) depth
    |
    3 km (2 mi) distance
    | USGS | Details
  • 28 Jan 2019 14:39 UTC
    | M 2.0 |
    31.2 km (19.4 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
  • 27 Jan 2019 14:13 UTC
    | M 2.0 |
    31.1 km (19.3 mi) depth
    |
    9 km (5 mi) distance
    | USGS | Details
  • 27 Jan 2019 12:50 UTC
    | M 2.4 |
    22.4 km (13.9 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 27 Jan 2019 09:32 UTC
    | M 2.0 |
    20 km (12.4 mi) depth
    |
    9 km (5 mi) distance
    | USGS | Details
  • 27 Jan 2019 07:46 UTC
    | M 2.2 |
    33.6 km (20.9 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 26 Jan 2019 21:30 UTC
    | M 2.8 |
    18.6 km (11.6 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 26 Jan 2019 20:09 UTC
    | M 2.0 |
    30.6 km (19 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 26 Jan 2019 18:19 UTC
    | M 2.6 |
    21.9 km (13.6 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 26 Jan 2019 17:53 UTC
    | M 2.1 |
    36.3 km (22.6 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details
  • 26 Jan 2019 08:54 UTC
    | M 2.8 |
    20 km (12.4 mi) depth
    |
    3 km (2 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Moderate mag. 5.0 earthquake - SOUTHERN ALASKA on Saturday, 1 December 2018 at 07:57 (GMT)
Volcanoes & Earthquakes - new app for Android
 

More on VolcanoDiscovery

 
Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional 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.