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Strong mag. 5.0 earthquake - Bering Sea, 70 mi southeast of Atka, Aleutians West County, Alaska, USA, on Sunday, 10 August 2014 at 18:27 (GMT)
Strong magnitude 5.0 earthquake at 10 km depth
10 Aug 19:10 UTC: First to report: GFZ after 42 minutes.
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Date & time: 10 Aug 2014 18:27:39 UTC
Magnitude: 5Depth: 10.0 km
Epicenter latitude / longitude: 51.54°N / 172.94°W
(
Bering Sea,
United States)
Nearest volcano:
Seguam (91 km / 57 mi)
Nearby towns and cities:113 km (70 mi) SE of Atka (pop: 64) -->
See nearby quakes!257 km (160 mi) E of Adak (pop: 332) -->
See nearby quakes!318 km (198 mi) WSW of Nikolski (pop: 18) -->
See nearby quakes!Primary data source:
GFZ (German Research Centre for Geosciences)
Estimated released energy: 2 x 10
12 joules (554 megawatt hours, equivalent to 477 tons of TNT)
More info[show map]
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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 | 10 km | Andreanof Islands, Aleutian Islands | GFZ |
| M 5.0 | 10 km | ANDREANOF ISLANDS, ALEUTIAN IS. | EMSC |
| M 5.0 | 27 km | 118km SE of Atka, Alaska | USGS |
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Aftershocks
More info
Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 10 km
2 (=4 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 5 km (3 mi).
Aftershocks typically occur during the days and weeks following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the
map below to verify).
Earlier earthquakes in the same area
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