Light mag. 4.4 earthquake - Gulf of Alaska, 17 mi southwest of Sand Point, Aleutians East County, Alaska, USA, on Monday, 21 October 1985 at 20:53 (GMT)
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Light magnitude 4.4 earthquake at 33 km depth
Date & time: 21 Oct 1985 20:53:18 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 55.121°N / 160.69°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Dana (67 km / 42 mi)
Nearby towns and cities:
27 km (17 mi) SSW of Sand Point (pop: 1,060) --> See nearby quakes!
103 km (64 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
104 km (65 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
129 km (80 mi) E of Cold Bay (pop: 123) --> See nearby quakes!
131 km (81 mi) SW of Perryville (pop: 113) --> See nearby quakes!
175 km (109 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
176 km (109 mi) E of False Pass (pop: 40) --> See nearby quakes!
189 km (117 mi) SW of Chignik Lagoon (pop: 78) --> See nearby quakes!
345 km (215 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
402 km (250 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 tons of TNT) 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 4.4||33 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.