Very strong mag. 6.2 earthquake - Gulf of Alaska, 112 mi south of Kodiak, Alaska, USA, on Friday, 7 May 1999 at 14:13 (GMT)

Very strong mag. 6.2 earthquake - Gulf of Alaska, 112 mi south of Kodiak, Alaska, USA, on Friday, 7 May 1999 at 14:13 (GMT)

Very strong magnitude 6.2 earthquake at 10 km depth

Date & time: 7 May 1999 14:13:51 UTC
Magnitude: 6.2
Depth: 10.0 km
Epicenter latitude / longitude: 56.1745°N / 152.3248°W (Gulf of Alaska, Alaska, United States)
Nearby towns and cities:
129 km (80 mi) SSE of Old Harbor (pop: 221) --> See nearby quakes!
142 km (88 mi) SE of Akhiok (pop: 72) --> See nearby quakes!
169 km (105 mi) S of Womens Bay (pop: 719) --> See nearby quakes!
178 km (110 mi) S of Kodiak Station (pop: 1,300) --> See nearby quakes!
180 km (112 mi) S of Kodiak (pop: 6,250) --> See nearby quakes!
191 km (119 mi) S of Port Lions (pop: 197) --> See nearby quakes!
388 km (241 mi) S of Homer (pop: 5,520) --> See nearby quakes!
401 km (249 mi) S of Fritz Creek (pop: 1,930) --> See nearby quakes!
402 km (250 mi) S of Anchor Point (pop: 1,930) --> See nearby quakes!
469 km (291 mi) SSW of Lowell Point (pop: 2,790) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 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 6.210 kmKodiak Island region, Alaska (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

More info
Recorded aftershocks, latest first (14 quakes):
  • 19 Sep 1999 07:14 UTC
    | M 4.5 |
    21.1 km (13.1 mi) depth
    |
    52 km (32 mi) distance
    | USGS | Details
  • 09 Sep 1999 19:17 UTC
    | M 3.1 |
    36.5 km (22.7 mi) depth
    |
    53 km (33 mi) distance
    | USGS | Details
  • 18 Jun 1999 22:15 UTC
    | M 4.1 |
    10 km (6.2 mi) depth
    |
    72 km (45 mi) distance
    | USGS | Details
  • 01 Jun 1999 03:50 UTC
    | M 3.4 |
    33 km (20.5 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 08 May 1999 09:35 UTC
    | M 4.9 |
    0 km (0 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 07 May 1999 22:23 UTC
    | M 3.9 |
    11.3 km (7 mi) depth
    |
    12 km (7 mi) distance
    | USGS | Details
  • 07 May 1999 21:29 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    51 km (32 mi) distance
    | USGS | Details
  • 07 May 1999 21:28 UTC
    | M 4.0 |
    12 km (7.5 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 07 May 1999 20:52 UTC
    | M 4.0 |
    0 km (0 mi) depth
    |
    49 km (31 mi) distance
    | USGS | Details
  • 07 May 1999 19:06 UTC
    | M 3.5 |
    10 km (6.2 mi) depth
    |
    31 km (19 mi) distance
    | USGS | Details
  • 07 May 1999 18:47 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    31 km (19 mi) distance
    | USGS | Details
  • 07 May 1999 16:48 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    37 km (23 mi) distance
    | USGS | Details
  • 07 May 1999 16:42 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    23 km (15 mi) distance
    | USGS | Details
  • 07 May 1999 16:16 UTC
    | M 4.7 |
    14.6 km (9.1 mi) depth
    |
    73 km (46 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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