Strong mag. 6.0 earthquake - 92km WSW of Chernabura Island, Alaska on Thursday, 19 July 2018

Very strong mag. 6.0 earthquake - Gulf of Alaska, 62 mi south of Sand Point, Aleutians East County, Alaska, USA, on 2018-07-19 03:16:26 -11:00

Very strong mag. 6.0 earthquake - Gulf of Alaska, 62 mi south of Sand Point, Aleutians East County, Alaska, USA, on 2018-07-19 03:16:26 -11:00

Very strong magnitude 6.0 earthquake at 17 km depth

19 Jul 14:24 UTC: First to report: USGS after 8 minutes.
Jul 19 14:36: Magnitude recalculated from 5.7 to 6.0.
Hypocenter depth recalculated from 84.0 to 17.1 km.
Date & time: 19 Jul 2018 14:16:26 UTC
Local time at epicenter: 2018-07-19 03:16:26 -11:00
Magnitude: 6
Depth: 17.1 km
Epicenter latitude / longitude: 54.476°N / 160.8965°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Dutton (129 km / 80 mi)
Nearby towns and cities:
99 km (62 mi) SSW of Sand Point (pop: 1,060) --> See nearby quakes!
112 km (70 mi) SE of King Cove (pop: 1,010) --> See nearby quakes!
141 km (88 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
167 km (104 mi) ESE of False Pass (pop: 40) --> See nearby quakes!
171 km (106 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
195 km (121 mi) SW of Perryville (pop: 113) --> See nearby quakes!
240 km (149 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
253 km (157 mi) SW of Chignik Lagoon (pop: 78) --> See nearby quakes!
319 km (198 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
373 km (232 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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 6.017 km- 92km WSW of Chernabura Island, AlaskaUSGS

shake map
(shakemap: USGS)

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Port Moller (169.2 km N of epicenter) [Map] / Moderate shaking (MMI V) : Lasted about 20 seconds, definitely noticable. (reported through our app)
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Aftershocks

More info
Recorded aftershocks, latest first (18 quakes):
  • 14 Jan 2019 04:02 UTC
    | M 3.3 |
    7.6 km (4.7 mi) depth
    |
    39 km (24 mi) distance
    | USGS | Details
  • 04 Jan 2019 13:27 UTC
    | M 3.3 |
    24.9 km (15.5 mi) depth
    |
    50 km (31 mi) distance
    | USGS | Details
  • 31 Dec 2018 02:35 UTC
    | M 6.0 |
    31 km (19.3 mi) depth
    |
    41 km (25 mi) distance
    | USGS | Strong mag. 6.0 earthquake - Gulf of Alaska, 39 mi southeast of Cherni Island, Aleutians East County, Alaska, USA, on 2018-12-30 15:35:37 -11:00
  • 03 Dec 2018 02:09 UTC
    | M 3.7 |
    10 km (6.2 mi) depth
    |
    31 km (19 mi) distance
    | USGS | Details
  • 20 Nov 2018 05:42 UTC
    | M 5.2 |
    10 km (6.2 mi) depth
    |
    50 km (31 mi) distance
    | GFZ | Details
  • 18 Nov 2018 10:59 UTC
    | M 2.7 |
    23.4 km (14.5 mi) depth
    |
    41 km (26 mi) distance
    | USGS | Details
  • 16 Nov 2018 06:40 UTC
    | M 4.1 |
    43 km (26.7 mi) depth
    |
    13 km (8 mi) distance
    | EMSC | Details
  • 09 Nov 2018 17:08 UTC
    | M 3.6 |
    30.1 km (18.7 mi) depth
    |
    46 km (29 mi) distance
    | USGS | Details
  • 17 Oct 2018 21:17 UTC
    | M 2.9 |
    25.7 km (16 mi) depth
    |
    38 km (24 mi) distance
    | USGS | Details
  • 17 Oct 2018 09:24 UTC
    | M 2.4 |
    35.1 km (21.8 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details
  • 26 Sep 2018 21:27 UTC
    | M 2.7 |
    34.1 km (21.2 mi) depth
    |
    41 km (25 mi) distance
    | USGS | Details
  • 02 Sep 2018 01:38 UTC
    | M 2.3 |
    25.8 km (16 mi) depth
    |
    41 km (26 mi) distance
    | USGS | Details
  • 22 Jul 2018 17:13 UTC
    | M 3.8 |
    15.6 km (9.7 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 21 Jul 2018 10:06 UTC
    | M 2.1 |
    5 km (3.1 mi) depth
    |
    10 km (7 mi) distance
    | USGS | Details
  • 21 Jul 2018 08:15 UTC
    | M 3.7 |
    10 km (6.2 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 21 Jul 2018 07:58 UTC
    | M 5.4 |
    9.9 km (6.2 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 19 Jul 2018 15:04 UTC
    | M 3.0 |
    27.8 km (17.3 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 19 Jul 2018 14:33 UTC
    | M 4.9 |
    29 km (18 mi) depth
    |
    11 km (7 mi) distance
    | GFZ | Details

Earlier earthquakes in the same area

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