Strong mag. 6.0 earthquake - North Pacific Ocean, 51 mi southwest of Sanak Island, Aleutians East County, Alaska, USA, on Tuesday, 29 May 1973 at 06:14 (GMT)

Strong mag. 6.0 earthquake - North Pacific Ocean, 51 mi southwest of Sanak Island, Aleutians East County, Alaska, USA, on Tuesday, 29 May 1973 at 06:14 (GMT)

Strong magnitude 6.0 earthquake at 30 km depth

Date & time: 29 May 1973 06:14:22 UTC
Magnitude: 6
Depth: 30.0 km
Epicenter latitude / longitude: 54.011°N / 163.76°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Westdahl (81 km / 50 mi)
Nearby towns and cities:
96 km (60 mi) SSW of False Pass (pop: 40) --> See nearby quakes!
132 km (82 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
147 km (91 mi) SSW of Cold Bay (pop: 123) --> See nearby quakes!
149 km (93 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
182 km (113 mi) E of Unalaska (pop: 4,490) --> See nearby quakes!
256 km (159 mi) SW of Sand Point (pop: 1,060) --> See nearby quakes!
275 km (171 mi) SW of Nelson Lagoon (pop: 52) --> See nearby quakes!
363 km (225 mi) SW of Perryville (pop: 113) --> See nearby quakes!
404 km (251 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
419 km (260 mi) SW of Chignik Lagoon (pop: 78) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) More info
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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.
MagnitudeDepthLocationSource
M 6.030 kmUnimak Island region, Alaska (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks

More info
Recorded aftershocks, latest first (1 quakes):
  • 05 Jun 1973 02:58 UTC
    | M 4.8 |
    17 km (10.6 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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