Very strong mag. 6.6 earthquake - Valdez-Cordova Parish, 62 mi east of Eagle River, Anchorage, Alaska, USA, on Monday, February 23, 1925 at 23:53 (GMT)
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Very strong magnitude 6.6 earthquake at 25 km depth
Depth: 25.0 km
Epicenter latitude / longitude: 61.109°N / 147.755°W↗ (Valdez-Cordova, Alaska, United States)
Antipode: 61.109°S / 32.245°E↗
Nearest volcano: Drum (200 km / 124 mi)
Nearby towns and cities:
63 km (39 mi) NE of Whittier (pop: 214) --> See nearby quakes!
76 km (47 mi) W of Valdez (pop: 3,870) --> See nearby quakes!
78 km (49 mi) ENE of Girdwood (pop: 2,250) --> See nearby quakes!
91 km (56 mi) SE of Palmer (pop: 6,790) --> See nearby quakes!
92 km (57 mi) SE of Sutton-Alpine (pop: 1,450) --> See nearby quakes!
100 km (62 mi) ESE of Lakes (pop: 8,360) --> See nearby quakes!
100 km (62 mi) ESE of Eagle River (pop: 24,800) --> See nearby quakes!
100 km (62 mi) ESE of Eagle River (Anchorage) (pop: 24,800) --> See nearby quakes!
116 km (72 mi) E of Alaska City (pop: 298,700) --> See nearby quakes!
809 km (503 mi) WNW of Juneau (pop: 32,800) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 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.
|6.6||25 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.