Strong mag. 5.5 earthquake - Gulf of Alaska, 178 mi southeast of Kodiak, Alaska, USA, on Tuesday, 8 May 2018 at 08:14 (GMT)

Strong mag. 5.5 earthquake - Gulf of Alaska, 178 mi southeast of Kodiak, Alaska, USA, on Tuesday, 8 May 2018 at 08:14 (GMT)

Strong magnitude 5.5 earthquake at 10 km depth

Date & time: 8 May 2018 08:14:12 UTC
Magnitude: 5.5
Depth: 10.0 km
Epicenter latitude / longitude: 56.3593°N / 148.4582°W (Gulf of Alaska, Alaska, United States)
Nearby towns and cities:
270 km (168 mi) ESE of Chiniak (pop: 47) --> See nearby quakes!
287 km (178 mi) ESE of Kodiak (pop: 6,250) --> See nearby quakes!
294 km (183 mi) ESE of Womens Bay (pop: 719) --> See nearby quakes!
295 km (183 mi) ESE of Kodiak Station (pop: 1,300) --> See nearby quakes!
408 km (254 mi) SSE of Homer (pop: 5,520) --> See nearby quakes!
411 km (255 mi) SSE of Fritz Creek (pop: 1,930) --> See nearby quakes!
421 km (261 mi) S of Seward (pop: 2,790) --> See nearby quakes!
429 km (266 mi) SSE of Anchor Point (pop: 1,930) --> See nearby quakes!
451 km (281 mi) SSE of Munina (pop: 883) --> See nearby quakes!
476 km (296 mi) SSE of Cohoe (pop: 1,360) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 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
5.510 km- 287km ESE of Kodiak, AlaskaUSGS

shake map
(shakemap: USGS)

User reports for this quake (11)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Mission Viejo / Very strong shaking (MMI VII) : Lake Forest, Mission Viejo. Strong shaking around 4- 5 AM. I am in a two story house I felt it in my bedroom upstairs.  
3446.2 km ESE of epicenter [Map] / Strong shaking (MMI VI)
Tustin, Ca. / Weak shaking (MMI III) : Tue. 5/8/18 Approximately 4:55am - More like a sudden jolt. Was about to doze off @ approx. 4:55am Only 1 housemate awoke but, dogs didn't bark.  
Hemet (3468.3 km ESE of epicenter) [Map] / Moderate shaking (MMI V)
Montclair / Weak shaking (MMI III) : It's 4:45am and ..i though it was the wind because the windows shake.. I was wrong then i felt the shake..im waiting for a nother one there's usually a second one ..i live in Montclair C.A  
Bellflower CA / Light shaking (MMI IV)
Montclair / Weak shaking (MMI III) : It's 4:45am and felt a shake..i though it was the wind but I was wrong..i live in Montclair C.A  
California / Light shaking (MMI IV)
Murrieta, CA (2962.4 km ESE of epicenter) [Map] / Light shaking (MMI IV) : It shook my bed at almost 4:52AM and it caused me to wakeup. my dog also started to bark after it happened.  
carlsbad, ca / Light shaking (MMI IV)
Ontario ca (3406.5 km ESE of epicenter) [Map] / Light shaking (MMI IV)
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Aftershocks

More info
Recorded aftershocks, latest first (16 quakes):
  • 01 Jul 2018 04:23 UTC
    | M 3.6 |
    10 km (6.2 mi) depth
    |
    4 km (2 mi) distance
    | EMSC | Details
  • 30 Jun 2018 03:05 UTC
    | M 3.3 |
    20 km (12.4 mi) depth
    |
    21 km (13 mi) distance
    | EMSC | Details
  • 19 Jun 2018 07:55 UTC
    | M 3.6 |
    9 km (5.6 mi) depth
    |
    23 km (14 mi) distance
    | EMSC | Details
  • 05 Jun 2018 05:20 UTC
    | M 2.9 |
    67.1 km (41.7 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 02 Jun 2018 20:04 UTC
    | M 3.4 |
    22.2 km (13.8 mi) depth
    |
    20 km (12 mi) distance
    | USGS | Details
  • 02 Jun 2018 03:48 UTC
    | M 3.3 |
    20.7 km (12.9 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 01 Jun 2018 17:32 UTC
    | M 2.6 |
    34.9 km (21.7 mi) depth
    |
    30 km (19 mi) distance
    | USGS | Details
  • 30 May 2018 05:12 UTC
    | M 2.5 |
    23.8 km (14.8 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 27 May 2018 10:36 UTC
    | M 3.8 |
    21.6 km (13.4 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 24 May 2018 13:45 UTC
    | M 4.2 |
    20 km (12.4 mi) depth
    |
    29 km (18 mi) distance
    | EMSC | Details
  • 17 May 2018 08:06 UTC
    | M 3.2 |
    20 km (12.4 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 17 May 2018 07:49 UTC
    | M 2.6 |
    7.7 km (4.8 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details
  • 16 May 2018 14:30 UTC
    | M 3.8 |
    18.8 km (11.7 mi) depth
    |
    22 km (13 mi) distance
    | USGS | Details
  • 16 May 2018 14:06 UTC
    | M 3.5 |
    19.6 km (12.2 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 16 May 2018 12:05 UTC
    | M 3.6 |
    6 km (3.7 mi) depth
    |
    25 km (15 mi) distance
    | EMSC | Details
  • 09 May 2018 06:53 UTC
    | M 2.7 |
    3.4 km (2.1 mi) depth
    |
    4 km (2 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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