Strong mag. 6.4 earthquake - Alaska Peninsula (USA) on Friday, 24 March 1972 at 03:38 (GMT)

Strong mag. 6.4 earthquake  - Alaska Peninsula (USA) on Friday, 24 March 1972 at 03:38 (GMT)

Strong magnitude 6.4 earthquake at 68 km depth

Date & time: 24 Mar 1972 03:38:28 UTC
Magnitude: 6.4
Depth: 68.3 km
Epicenter latitude / longitude: 56.108°N / 157.254°W (Alaska, United States)
Nearest volcano: Yantarni (101 km / 63 mi)
Nearby towns and cities:
74 km (46 mi) ESE of Chignik (pop: 87) --> See nearby quakes!
95 km (59 mi) E of Chignik Lake (pop: 73) --> See nearby quakes!
120 km (74 mi) ENE of Perryville (pop: 113) --> See nearby quakes!
126 km (78 mi) SE of Port Heiden (pop: 98) --> See nearby quakes!
221 km (137 mi) ENE of Sand Point (pop: 1,060) --> See nearby quakes!
339 km (211 mi) ENE of King Cove (pop: 1,010) --> See nearby quakes!
348 km (216 mi) WSW of Kodiak (pop: 6,250) --> See nearby quakes!
518 km (322 mi) SW of Homer (pop: 5,520) --> See nearby quakes!
5950 km (3697 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
5950 km (3697 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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.
M 6.468 kmAlaska Peninsula (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 of the 6.4 quake Alaska Peninsula (USA) 24 March 1972 03:38 GMT

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Earlier earthquakes in the same area

Strong mag. 6.4 earthquake - Alaska Peninsula (USA) on Friday, 24 March 1972 at 03:38 (GMT)
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