Major magnitude 6.8 earthquake - Gulf of Alaska, 23 mi northwest of Hinchinbrook Island, Valdez-Cordova, Alaska, USA, on Thursday, June 21, 1928 at 16:27 (GMT)
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Major magnitude 6.8 earthquake at 15 km depth
Depth: 15.0 km
Epicenter latitude / longitude: 60.559°N / 147.039°W↗ (Gulf of Alaska, Alaska, United States)
Antipode: 60.559°S / 32.961°E↗
Nearest volcano: Drum (216 km / 134 mi)
Nearby towns and cities:
39 km (24 mi) SSW of Tatitlek (pop: 88) --> See nearby quakes!
70 km (44 mi) W of Cordova (pop: 2,200) --> See nearby quakes!
74 km (46 mi) SSW of Valdez (pop: 3,870) --> See nearby quakes!
123 km (77 mi) ESE of Girdwood (pop: 2,250) --> See nearby quakes!
142 km (88 mi) ENE of Seward (pop: 2,790) --> See nearby quakes!
161 km (100 mi) ESE of Eagle River (pop: 24,800) --> See nearby quakes!
161 km (100 mi) ESE of Eagle River (Anchorage) (pop: 24,800) --> See nearby quakes!
171 km (106 mi) ESE of Alaska City (pop: 298,700) --> See nearby quakes!
172 km (107 mi) SE of Wasilla (pop: 9,280) --> See nearby quakes!
174 km (108 mi) SE of Knik-Fairview (pop: 14,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 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.
|6.8||15 km||Southern Alaska (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (0 quakes)
So far, no aftershocks have been registered.