Moderate mag. 5.1 earthquake - Gulf of Alaska, 127 mi south of Kodiak, Alaska, USA, on Wednesday, 8 July 2020 at 01:07 (GMT) -
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Moderate magnitude 5.1 earthquake at 5 km depth
8 Jul 01:12 UTC: First to report: USGS after 5 minutes.
Jul 8 01:13: Magnitude recalculated from 5.0 to 5.2.
Hypocenter depth recalculated from 12.0 to 0.6 km.
Hypocenter depth recalculated from 0.6 to 0.0 km.
Hypocenter depth recalculated from 0.0 to 18.0 km.
Hypocenter depth recalculated from 18.0 to 16.1 km.
Jul 8 01:20: Magnitude recalculated from 5.2 to 5.9.
Hypocenter depth recalculated from 16.1 to 0.0 km.
Jul 8 01:22: Magnitude recalculated from 5.9 to 5.1.
Hypocenter depth recalculated from 0.0 to 4.6 km.
Jul 8 01:13: Magnitude recalculated from 5.0 to 5.2.
Hypocenter depth recalculated from 12.0 to 0.6 km.
Hypocenter depth recalculated from 0.6 to 0.0 km.
Hypocenter depth recalculated from 0.0 to 18.0 km.
Hypocenter depth recalculated from 18.0 to 16.1 km.
Jul 8 01:20: Magnitude recalculated from 5.2 to 5.9.
Hypocenter depth recalculated from 16.1 to 0.0 km.
Jul 8 01:22: Magnitude recalculated from 5.9 to 5.1.
Hypocenter depth recalculated from 0.0 to 4.6 km.
Magnitude: 5.1
Depth: 4.6 km
Epicenter latitude / longitude: 56.0867°N / 153.6628°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Kialagvik (214 km / 133 mi)
Nearby towns and cities:
100 km (62 mi) SSE of Akhiok (pop: 72) --> See nearby quakes!
198 km (123 mi) SSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
204 km (127 mi) SSW of Kodiak (pop: 6,250) --> See nearby quakes!
415 km (258 mi) SSW of Homer (pop: 5,520) --> See nearby quakes!
424 km (264 mi) SSW of Anchor Point (pop: 1,930) --> See nearby quakes!
429 km (267 mi) SSW of Fritz Creek (pop: 1,930) --> See nearby quakes!
436 km (271 mi) ENE of Sand Point (pop: 1,060) --> See nearby quakes!
511 km (317 mi) SSW of Lowell Point (pop: 2,790) --> See nearby quakes!
5736 km (3564 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
5736 km (3564 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
146 km (91 mi) S of Kodiak Island (pop: 13,600) --> See nearby quakes!
60 km (37 mi) SSE of Sitkinak Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 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 5.1 | 4.6 km | 100 km SSE of Akhiok, Alaska (USA) | USGS |
| M 5.1 | 10 km | Kodiak Island Region, Alaska (USA) | EMSC |
| M 5.2 | 10 km | Kodiak Island Region, Alaska (USA) | GFZ |
| M 5.0 | 10 km | Kodiak Island Region, Alaska (USA) | GeoAu |
| M 5.4 | 10 km | Kodiak Island Region, Alaska (USA) | BMKG |
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!
So far, no aftershocks have been registered.
Aftershocks of the 5.1 quake Gulf of Alaska, 127 mi south of Kodiak, Alaska, USA, 8 July 2020 01:07 GMT
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Moderate mag. 5.1 earthquake - Gulf of Alaska, 127 mi south of Kodiak, Alaska, USA, on Wednesday, 8 July 2020 at 01:07 (GMT)
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