Moderate mag. 5.1 earthquake - 100 km SSE of Akhiok, Alaska (USA) on Wednesday, 8 July 2020
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
(Alaska, United States)Nearest volcano: Kialagvik (214 km / 133 mi)
Nearby towns and cities:
100 km (62 mi) SE of Akhiok (pop: 100)
126 km (78 mi) S of Old Harbor (pop: 200)
163 km (101 mi) S of Larsen Bay (pop: 100)
172 km (107 mi) SE of Karluk (pop: 0)
187 km (116 mi) SW of Womens Bay (pop: 700)
198 km (123 mi) SW of Kodiak Station (pop: 1,300)
Primary data source: USGS
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) [learn more]
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.
| Time | Mag. / Depth | Location | Source |
| Wed, 8 Jul 01:07 UTC | M 5.1 / 4.6 km | 100 km SSE of Akhiok, Alaska (USA) | USGS |
| Wed, 8 Jul 01:07 UTC | M 5.1 / 10 km | Kodiak Island Region, Alaska (USA) | EMSC |
| Wed, 8 Jul 01:07 UTC | M 5.2 / 10 km | Kodiak Island Region, Alaska (USA) | GFZ |
| Wed, 8 Jul 01:07 UTC | M 5.0 / 10 km | Kodiak Island Region, Alaska (USA) | GeoAu |
| Wed, 8 Jul 01:07 UTC | 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: 100 km SSE of Akhiok, Alaska (USA), 8 Jul 2020 01:07
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 - 100 km SSE of Akhiok, Alaska (USA) on Wednesday, 8 July 2020Click here to search our database for earlier earthquakes in the same area since 1900!
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