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Strong mag. 6.3 earthquake - 45km SSE of Tanaga Volcano, Alaska on Thursday, 23 August 2018 - information

Strong mag. 6.3 earthquake - 45km SSE of Tanaga Volcano, Alaska on Thursday, 23 August 2018

Strong mag. 6.3 earthquake  - 45km SSE of Tanaga Volcano, Alaska on Thursday, 23 August 2018
Aug 23 03:53: Magnitude recalculated from 6.1 to 6.3.
Hypocenter depth recalculated from 56.0 to 43.9 km.
Date & time: Thursday, 23 August 2018 03:35 UTC
Local time at epicenter: 2018-08-22 17:35:15 -10:00
Magnitude: 6.3
Depth: 43.9 km
Epicenter latitude / longitude: 51.5106°N / 177.881°W (États-Unis)
Nearest volcano: Takawangha (74 km)
Primary data source: USGS
Estimated released energy: 1.8*10^14 J (49.4 GWh / 42502 tons of TNT / 2.7 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.
You can use your GPS or device location as well to show where you were during the earthquake.
- Merci!.

Data for same earthquake as reported from other agencies
HeureMag. / DepthLocationSource
Thu, 23 Aug 2018
Thu, 23 Aug 03:35 UTCM 6.0 / 10 kmAndreanof Islands, Aleutian IslandsGFZ
Thu, 23 Aug 03:35 UTCM 6.4 / 60 km ANDREANOF ISLANDS, ALEUTIAN IS.EMSC
Thu, 23 Aug 03:35 UTCM 6.0 / 80.4 kmAndreanof Islands, Aleutian IslandsGeoAu

shake map
(shakemap: USGS)
"I felt it" reports:
Castro Valley Ca / MMI II (Very weak shaking): I was in bed not able to sleep. Suddenly my bed shook twice.
Earthquakes in same area up to 1 year afterwards (likely aftershocks)
HeureMag. / DepthLocationMapSource

 

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