Strong mag. 6.7 earthquake - Gulf of Alaska, 22 mi south of South Island, Kodiak Island County, Alaska, USA, on Saturday, 28 July 1934 at 21:37 (GMT)
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Strong magnitude 6.7 earthquake at 20 km depth
Magnitude: 6.7
Depth: 20.0 km
Epicenter latitude / longitude: 55.67°N / 156.699°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Yantarni (153 km / 95 mi)
Nearby towns and cities:
134 km (83 mi) ESE of Chignik Lagoon (pop: 78) --> See nearby quakes!
144 km (89 mi) ESE of Chignik Lake (pop: 73) --> See nearby quakes!
155 km (96 mi) E of Perryville (pop: 113) --> See nearby quakes!
242 km (150 mi) E of Sand Point (pop: 1,060) --> See nearby quakes!
342 km (212 mi) SW of Kodiak Station (pop: 1,300) --> See nearby quakes!
352 km (219 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
362 km (225 mi) ENE of King Cove (pop: 1,010) --> See nearby quakes!
537 km (334 mi) SW of Homer (pop: 5,520) --> See nearby quakes!
5931 km (3685 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
5931 km (3685 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: 7.1 x 1014 joules (197 gigawatt hours, equivalent to 1.7 x 105 tons of TNT or 10.6 atomic bombs!) More info
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.
| Magnitude | Depth | Location | Source |
| M 6.7 | 20 km | south of Alaska (USA) | 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!
So far, no aftershocks have been registered.
Aftershocks of the 6.7 quake Gulf of Alaska, 22 mi south of South Island, Kodiak Island County, Alaska, USA, 28 July 1934 21:37 GMT
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Strong mag. 6.7 earthquake - Gulf of Alaska, 22 mi south of South Island, Kodiak Island County, Alaska, USA, on Saturday, 28 July 1934 at 21:37 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
