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Strong mag. 6.6 earthquake - 50km S of Tanaga Volcano, Alaska on Wednesday, 15 August 2018 - information

Strong mag. 6.6 earthquake - 50km S of Tanaga Volcano, Alaska on Wednesday, 15 August 2018

Strong mag. 6.6 earthquake  - 50km S of Tanaga Volcano, Alaska on Wednesday, 15 August 2018
Aug 15 22:14: Magnitude recalculated from 6.5 to 6.6.
Hypocenter depth recalculated from 35.0 to 31.6 km.
Hypocenter depth recalculated from 31.6 to 20.0 km.
Date & time: Wednesday, 15 August 2018 21:56 UTC
Local time at epicenter: 2018-08-15 11:56:54 -10:00
Magnitude: 6.6
Depth: 20.0 km
Epicenter latitude / longitude: 51.435°N / 178.0543°W (United States)
Nearest volcano: Takawangha (64 km)
Primary data source: USGS
Estimated released energy: 5*10^14 J (139 GWh / 1.2*10^5 tons of TNT / 7.5 atomic bombs equivalent) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience with us and submit a short "I felt it" report.
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Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationSource
Wed, 15 Aug 2018
Wed, 15 Aug 21:56 UTCM 6.5 / 10 kmAndreanof Islands, Aleutian IslandsGFZ
Wed, 15 Aug 21:56 UTCM 6.6 / 40 km ANDREANOF ISLANDS, ALEUTIAN IS.EMSC

shake map
(shakemap: USGS)
"I felt it" reports:
Calgary (4293.6 km ENE from epicenter) [Map] / MMI II (Very weak shaking)
Washington DC / MMI VI (Strong shaking): Toe curling orgasm. Fantastic. Wow Probably going to need to rebuild the wall.
Washington DC / MMI VI (Strong shaking): Toe curling orgasm. Fantastic. Wow
Earthquakes in same area up to 1 year afterwards (likely aftershocks)
TimeMag. / DepthLocationMapSource

 

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