Very strong mag. 6.4 earthquake - Gulf of Alaska, 8.1 mi northwest of Sanak Island, Aleutians East County, Alaska, USA, on Tuesday, 26 February 1929 at 09:00 (GMT)
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Very strong magnitude 6.4 earthquake at 30 km depth
Date & time: 26 Feb 1929 09:00:51 UTC
Depth: 30.0 km
Epicenter latitude / longitude: 54.511°N / 162.855°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Roundtop (57 km / 35 mi)
Nearby towns and cities:
52 km (33 mi) SE of False Pass (pop: 40) --> See nearby quakes!
70 km (44 mi) SSW of King Cove (pop: 1,010) --> See nearby quakes!
76 km (47 mi) S of Cold Bay (pop: 123) --> See nearby quakes!
176 km (110 mi) WSW of Sand Point (pop: 1,060) --> See nearby quakes!
194 km (121 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
196 km (122 mi) SSW of Nelson Lagoon (pop: 52) --> See nearby quakes!
250 km (155 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
282 km (175 mi) WSW of Perryville (pop: 113) --> See nearby quakes!
323 km (201 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
338 km (210 mi) SW of Chignik Lagoon (pop: 78) --> 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
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 6.4||30 km||Alaska Peninsula (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.