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Strong mag. 6.4 earthquake - 64km SW of Kaktovik, Alaska on Sunday, 12 August 2018 - information

Strong mag. 6.4 earthquake - 64km SW of Kaktovik, Alaska on Sunday, 12 August 2018

Strong mag. 6.4 earthquake  - 64km SW of Kaktovik, Alaska on Sunday, 12 August 2018
Aug 12 15:06: Magnitude recalculated from 6.5 to 6.4.
Hypocenter depth recalculated from 3.4 to 3.1 km.
Hypocenter depth recalculated from 3.1 to 2.5 km.
Hypocenter depth recalculated from 2.5 to 3.1 km.
Aug 12 15:14: Magnitude recalculated from 6.4 to 6.5.
Hypocenter depth recalculated from 3.1 to 1.3 km.
Hypocenter depth recalculated from 1.3 to 2.8 km.
Hypocenter depth recalculated from 2.8 to 100.0 km.
Aug 12 15:24: Magnitude recalculated from 6.5 to 6.4.
Hypocenter depth recalculated from 100.0 to 0.0 km.
Aug 12 15:44: Magnitude recalculated from 6.4 to 6.1.
Hypocenter depth recalculated from 0.0 to 9.9 km.
Aug 12 16:52: Magnitude recalculated from 6.1 to 6.4.
Date & time: Sunday, 12 August 2018 14:58 UTC
Local time at epicenter: 2018-08-12 05:58:54 -09:00
Magnitude: 6.4
Depth: 9.9 km
Epicenter latitude / longitude: 69.6239°N / 145.2468°W (United States)
Nearest volcano: Buzzard Creek (652 km)
Primary data source: USGS
Estimated released energy: 2.5*10^14 J (69.8 GWh / 60036 tons of TNT / 3.8 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.
- thank you.

Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationSource
Sun, 12 Aug 2018
Sun, 12 Aug 14:58 UTCM 6.4 / 2 km NORTHERN ALASKAEMSC
Sun, 12 Aug 14:58 UTCM 6.2 / 10 kmNorthern AlaskaGFZ
Sun, 12 Aug 14:58 UTCM 6.2 / 10.2 kmNorthern Alaska, United States [Land: United States]INGV

shake map
(shakemap: USGS)
"I felt it" reports:
Lakewood, CO / MMI II (Very weak shaking): I was sitting in a park talking on the phone when I felt a slight rumble at around 3pm dst located in lakewood colorado
FS1 north slope / MMI IV (Light shaking)
Deadhorse / MMI V (Moderate shaking)
Prudhoe Bay, AK (138.2 km WNW from epicenter) [Map] / MMI IV (Light shaking): First earthquake felt on the North Slope.
egypt / MMI VII (Very strong shaking)
Prudhoe bay / MMI IV (Light shaking)
Milne pt Prudhoe Bay Ak / MMI V (Moderate shaking)
Earthquakes in same area up to 1 year afterwards (likely aftershocks)
TimeMag. / DepthLocationMapSource

 

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