Moderate mag. 5.5 earthquake - Bering Sea, 14 mi southeast of Oglodak Island, Aleutians West County, Alaska, USA, on Saturday, 15 August 2015 at 20:16 (GMT)
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Moderate magnitude 5.5 earthquake at 46 km depth
15 Aug 20:26 UTC: First to report: GFZ after 10 minutes.
Hypocenter depth recalculated from 10.0 to 46.0 km.
Hypocenter depth recalculated from 10.0 to 46.0 km.
Date & time: 15 Aug 2015 20:16:22 UTC
Magnitude: 5.5
Depth: 46.0 km
Epicenter latitude / longitude: 51.81°N / 175.3°W

Nearest volcano: Sergief (39 km / 24 mi)
Nearby towns and cities:
87 km (54 mi) WSW of Atka (pop: 64) --> See nearby quakes!
92 km (57 mi) E of Adak (pop: 332) --> See nearby quakes!
455 km (283 mi) WSW of Nikolski (pop: 18) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) 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 5.5 | 46 km | Andreanof Islands, Aleutian Islands | GFZ |
M 5.4 | 45 km | - 87km WSW of Atka, Alaska | USGS |
M 5.5 | 48 km | ANDREANOF ISLANDS, ALEUTIAN IS. | EMSC |
User reports for this quake
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More info
Recorded aftershocks, latest first (8 quakes):- 09 Sep 2015 03:12 UTC| M 3.4 |39.9 km (24.8 mi) depth|11 km (7 mi) distance| USGS | Details
- 04 Sep 2015 12:42 UTC| M 5.1 |10 km (6.2 mi) depth|23 km (14 mi) distance| GFZ | Details
- 03 Sep 2015 18:04 UTC| M 4.3 |69.9 km (43.4 mi) depth|33 km (20 mi) distance| USGS | Details
- 01 Sep 2015 08:25 UTC| M 3.3 |43 km (26.7 mi) depth|18 km (11 mi) distance| USGS | Details
- 25 Aug 2015 00:54 UTC| M 4.9 |10 km (6.2 mi) depth|20 km (12 mi) distance| GFZ | Details
- 18 Aug 2015 09:45 UTC| M 3.4 |25.2 km (15.7 mi) depth|25 km (16 mi) distance| USGS | Details
- 16 Aug 2015 20:55 UTC| M 3.8 |25.9 km (16.1 mi) depth|26 km (16 mi) distance| USGS | Details
- 16 Aug 2015 09:13 UTC| M 2.7 |25.5 km (15.8 mi) depth|18 km (11 mi) distance| USGS | Details
Earlier earthquakes in the same area
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