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
Magnitude: 5
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.
| Magnitude | Depth | Location | Source |
| 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.
There are no user reports for this quake yet. If you felt it be the first to report it!
Aftershocks
More info
Recorded 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
Earlier earthquakes in the same area
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