Moderate mag. 5.0 earthquake - Gulf of Alaska, 7.6 mi north of Chernabura Island, Aleutians East County, Alaska, USA, on Wednesday, 9 October 1985 at 14:16 (GMT)
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Moderate magnitude 5.0 earthquake at 33 km depth
Date & time: 9 Oct 1985 14:16:18 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 54.892°N / 159.498°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Stepovak Bay 1 (115 km / 71 mi)
Nearby towns and cities:
81 km (50 mi) SE of Sand Point (pop: 1,060) --> See nearby quakes!
116 km (72 mi) S of Perryville (pop: 113) --> See nearby quakes!
159 km (99 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
164 km (102 mi) SE of Nelson Lagoon (pop: 52) --> See nearby quakes!
169 km (105 mi) SSW of Chignik Lagoon (pop: 78) --> See nearby quakes!
181 km (112 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
208 km (129 mi) E of Cold Bay (pop: 123) --> See nearby quakes!
235 km (146 mi) SSW of Port Heiden (pop: 98) --> See nearby quakes!
250 km (156 mi) E of False Pass (pop: 40) --> See nearby quakes!
462 km (287 mi) WSW of Old Harbor (pop: 221) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 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 5.0||33 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.
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More infoRecorded aftershocks, latest first (3 quakes):
- 14 Nov 1985 23:39 UTC| M 4.6 |33 km (20.5 mi) depth|18 km (11 mi) distance| USGS | Details
- 26 Oct 1985 15:59 UTC| M 5.4 |33 km (20.5 mi) depth|6 km (4 mi) distance| USGS | Details
- 10 Oct 1985 22:52 UTC| M 4.9 |32.7 km (20.3 mi) depth|15 km (9 mi) distance| USGS | Details