Moderate mag. 5.0 earthquake - Gulf of Alaska, 19 mi north of North Island, Kodiak Island County, Alaska, USA, on Wednesday, 2 January 2019 at 06:48 (GMT)
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Moderate magnitude 5.0 earthquake at 60 km depth
2 Jan 06:52 UTC: First to report: EMSC after 4 minutes.
Jan 2 06:54: Magnitude recalculated from 4.8 to 4.9.
Hypocenter depth recalculated from 60.0 to 87.0 km.
Jan 2 06:56: Magnitude recalculated from 4.9 to 4.8.
Hypocenter depth recalculated from 87.0 to 58.0 km.
Hypocenter depth recalculated from 58.0 to 54.0 km.
Jan 2 06:59: Magnitude recalculated from 4.8 to 4.9.
Jan 2 07:01: Magnitude recalculated from 4.9 to 5.2.
Hypocenter depth recalculated from 54.0 to 10.0 km.
Jan 2 07:02: Magnitude recalculated from 5.2 to 5.0.
Hypocenter depth recalculated from 10.0 to 80.0 km.
Jan 2 07:04: Magnitude recalculated from 5.0 to 5.1.
Hypocenter depth recalculated from 80.0 to 100.0 km.
Jan 2 07:14: Magnitude recalculated from 5.1 to 5.0.
Hypocenter depth recalculated from 100.0 to 62.0 km.
Hypocenter depth recalculated from 62.0 to 60.0 km.
Jan 2 06:54: Magnitude recalculated from 4.8 to 4.9.
Hypocenter depth recalculated from 60.0 to 87.0 km.
Jan 2 06:56: Magnitude recalculated from 4.9 to 4.8.
Hypocenter depth recalculated from 87.0 to 58.0 km.
Hypocenter depth recalculated from 58.0 to 54.0 km.
Jan 2 06:59: Magnitude recalculated from 4.8 to 4.9.
Jan 2 07:01: Magnitude recalculated from 4.9 to 5.2.
Hypocenter depth recalculated from 54.0 to 10.0 km.
Jan 2 07:02: Magnitude recalculated from 5.2 to 5.0.
Hypocenter depth recalculated from 10.0 to 80.0 km.
Jan 2 07:04: Magnitude recalculated from 5.0 to 5.1.
Hypocenter depth recalculated from 80.0 to 100.0 km.
Jan 2 07:14: Magnitude recalculated from 5.1 to 5.0.
Hypocenter depth recalculated from 100.0 to 62.0 km.
Hypocenter depth recalculated from 62.0 to 60.0 km.
Date & time: 2 Jan 2019 06:48:43 UTC
Magnitude: 5
Depth: 60.0 km
Epicenter latitude / longitude: 58.34°N / 153.19°W
(Gulf of Alaska, United States)Nearest volcano: Fourpeaked (52 km / 32 mi)
Nearby towns and cities:
35 km (22 mi) NNW of Aleneva (pop: 37) --> See nearby quakes!
73 km (45 mi) NNW of Kodiak Station (pop: 1,300) --> See nearby quakes!
77 km (48 mi) NW of Kodiak (pop: 6,250) --> See nearby quakes!
173 km (107 mi) SSW of Homer (pop: 5,520) --> See nearby quakes!
178 km (110 mi) SSW of Anchor Point (pop: 1,930) --> See nearby quakes!
255 km (158 mi) SSW of Kalifornsky (pop: 7,850) --> See nearby quakes!
269 km (167 mi) SSW of Kenai (pop: 7,660) --> See nearby quakes!
369 km (229 mi) SSW of Anchorage (pop: 298,700) --> See nearby quakes!
388 km (241 mi) SSW of Eagle River (pop: 24,800) --> See nearby quakes!
388 km (241 mi) SSW of Eagle River (Anchorage County) (pop: 24,800) --> See nearby quakes!
106 km (66 mi) N of Kodiak Island (pop: 13,600) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) More info
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.
| Magnitude | Depth | Location | Source |
| M 5.0 | 60 km | KODIAK ISLAND REGION, ALASKA | EMSC |
| M 4.8 | 62 km | - 74km NNW of Kodiak Station, Alaska | USGS |
| M 4.0 | 86 km | - 44km NW of Nikiski, Alaska | USGS |
| M 5.5 | 10 km | Kodiak Island Region, Alaska | GFZ |
| M 5.0 | 10 km | Kenai Peninsula, Alaska | GeoAu |
User reports for this quake (20)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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kodiak, ak / Weak shaking (MMI III) : All family members felt lite shaking while in bed.
76.8 km SE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
76.5 km SE of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
Anchorage (359.7 km NNE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Anchorage (359.7 km NNE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Bells Flats, Kodiak (79.8 km SSE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
76.3 km SE of epicenter [Map] / Weak shaking (MMI III) : Brief vibrations. (reported through our app)
Kodiak,Alaska / Weak shaking (MMI III)
86.4 km SSE of epicenter [Map] / Weak shaking (MMI III)
412.9 km NNE of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
144.1 km SE of epicenter [Map] / Moderate shaking (MMI V) : Housing complex shook for a short period of time. Followed by a smaller tremor a little later which was likely delayed response from the Iliamna earthquake. (reported through our app)
Kodiak / Light shaking (MMI IV)
Kodiak (100.7 km SSE of epicenter) [Map] / Light shaking (MMI IV)
76.5 km SE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
75.1 km SE of epicenter [Map] / Light shaking (MMI IV)
Homer (174 km NNE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
50.6 km ESE of epicenter [Map] / Weak shaking (MMI III) : Strong but quick, felt like a door slamming hard. (reported through our app)
76.9 km SE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Kodiak, AK (77.7 km SSE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
(USA, 80 km SE of epicenter) : abrupt start that died within 8 seconds (reported through EMSC)
Aftershocks
More info
Recorded aftershocks, latest first (2 quakes):- 13 Feb 2019 01:10 UTC| M 2.8 |54.3 km (33.7 mi) depth|13 km (8 mi) distance| USGS | Details
- 08 Jan 2019 11:31 UTC| M 2.1 |57.8 km (35.9 mi) depth|16 km (10 mi) distance| USGS | Details
Earlier earthquakes in the same area
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