Strong mag. 6.1 earthquake - Gulf of Alaska, 28 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, on Saturday, 16 July 2011 at 19:59 (GMT)

Strong mag. 6.1 earthquake - Gulf of Alaska, 28 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, on Saturday, 16 July 2011 at 19:59 (GMT)

Strong magnitude 6.1 earthquake at 36 km depth

Date & time: 16 Jul 2011 19:59:12 UTC
Magnitude: 6.1
Depth: 36.0 km
Epicenter latitude / longitude: 54.787°N / 161.29°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Dutton (76 km / 47 mi)
Nearby towns and cities:
72 km (45 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
79 km (49 mi) SW of Sand Point (pop: 1,060) --> See nearby quakes!
102 km (63 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
135 km (84 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
136 km (85 mi) E of False Pass (pop: 40) --> See nearby quakes!
184 km (115 mi) SW of Perryville (pop: 113) --> See nearby quakes!
299 km (186 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
355 km (220 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
6238 km (3876 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6238 km (3876 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) More info
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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.
MagnitudeDepthLocationSource
M 6.136 kmAlaska Peninsula (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from 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!
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Aftershocks of the 6.1 quake Gulf of Alaska, 28 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, 16 July 2011 19:59 GMT

More info
Recorded aftershocks, latest first (57 quakes):
  • 24 Dec 2011 13:43 UTC
    | M 2.8 |
    13 km (8.1 mi) depth
    |
    43 km (26 mi) distance
    | USGS | Details
  • 29 Nov 2011 15:21 UTC
    | M 3.3 |
    15.4 km (9.6 mi) depth
    |
    38 km (23 mi) distance
    | USGS | Details
  • 24 Nov 2011 01:15 UTC
    | M 2.8 |
    9 km (5.6 mi) depth
    |
    35 km (22 mi) distance
    | USGS | Details
  • 19 Nov 2011 11:04 UTC
    | M 3.1 |
    38.2 km (23.7 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 18 Nov 2011 23:14 UTC
    | M 2.5 |
    7.6 km (4.7 mi) depth
    |
    45 km (28 mi) distance
    | USGS | Details
  • 16 Nov 2011 20:35 UTC
    | M 2.9 |
    33.1 km (20.6 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 14 Nov 2011 12:00 UTC
    | M 2.7 |
    14.2 km (8.8 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 14 Nov 2011 06:37 UTC
    | M 2.7 |
    27 km (16.8 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 12 Nov 2011 20:41 UTC
    | M 2.7 |
    13.9 km (8.6 mi) depth
    |
    23 km (15 mi) distance
    | USGS | Details
  • 12 Nov 2011 04:33 UTC
    | M 2.8 |
    19.5 km (12.1 mi) depth
    |
    33 km (21 mi) distance
    | USGS | Details
  • 01 Nov 2011 01:54 UTC
    | M 3.1 |
    13.3 km (8.3 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 30 Oct 2011 09:17 UTC
    | M 2.5 |
    38.7 km (24 mi) depth
    |
    42 km (26 mi) distance
    | USGS | Details
  • 25 Oct 2011 22:35 UTC
    | M 3.5 |
    12.9 km (8 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 22 Oct 2011 12:17 UTC
    | M 2.8 |
    52 km (32.3 mi) depth
    |
    35 km (22 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13692 km (8508 mi) distance
    | | Details
  • 19 Oct 2011 01:16 UTC
    | M 2.5 |
    18.4 km (11.4 mi) depth
    |
    41 km (26 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - Gulf of Alaska, 28 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, on Saturday, 16 July 2011 at 19:59 (GMT)
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