Very strong mag. 6.5 earthquake - North Pacific Ocean, 30 mi west of Eureka, Humboldt County, California, USA, on Sunday, 10 January 2010 at 00:27 (GMT)

Very strong mag. 6.5 earthquake - North Pacific Ocean, 30 mi west of Eureka, Humboldt County, California, USA, on Sunday, 10 January 2010 at 00:27 (GMT)

Very strong magnitude 6.5 earthquake at 29 km depth

Date & time: 10 Jan 2010 00:27:39 UTC
Magnitude: 6.5
Depth: 28.7 km
Epicenter latitude / longitude: 40.652°N / 124.6925°W (North Pacific Ocean, California, United States)
Nearest volcano: Mount Shasta (226 km / 140 mi)
Nearby towns and cities:
37 km (23 mi) WNW of Ferndale (pop: 1,370) --> See nearby quakes!
46 km (28 mi) W of Fortuna (Humboldt County) (pop: 12,000) --> See nearby quakes!
48 km (30 mi) WSW of Eureka (Humboldt County) (pop: 27,000) --> See nearby quakes!
52 km (33 mi) WNW of Rio Dell (pop: 3,390) --> See nearby quakes!
57 km (35 mi) WSW of Arcata (Humboldt County) (pop: 17,800) --> See nearby quakes!
57 km (35 mi) WSW of Bayside (Humboldt County) (pop: 17,100) --> See nearby quakes!
60 km (37 mi) SW of McKinleyville (Humboldt County) (pop: 15,200) --> See nearby quakes!
66 km (41 mi) SW of Westhaven-Moonstone (pop: 1,210) --> See nearby quakes!
358 km (222 mi) NW of Sacramento (pop: 490,700) --> See nearby quakes!
419 km (260 mi) NW of Stockton (pop: 305,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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
6.529 kmoffshore Northern California (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 (176 quakes):
  • 01 Jul 2010 22:58 UTC
    | M 2.2 |
    11.5 km (7.1 mi) depth
    |
    63 km (39 mi) distance
    | USGS | Details
  • 01 Jul 2010 17:25 UTC
    | M 2.2 |
    26.9 km (16.7 mi) depth
    |
    100 km (62 mi) distance
    | USGS | Details
  • 30 Jun 2010 16:19 UTC
    | M 2.7 |
    23.5 km (14.6 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 27 Jun 2010 01:28 UTC
    | M 2.5 |
    9 km (5.6 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 24 Jun 2010 16:25 UTC
    | M 2.2 |
    2 km (1.2 mi) depth
    |
    50 km (31 mi) distance
    | USGS | Details
  • 18 Jun 2010 22:49 UTC
    | M 2.1 |
    10.6 km (6.6 mi) depth
    |
    68 km (42 mi) distance
    | USGS | Details
  • 11 Jun 2010 06:36 UTC
    | M 2.6 |
    32.1 km (19.9 mi) depth
    |
    106 km (66 mi) distance
    | USGS | Details
  • 10 Jun 2010 19:40 UTC
    | M 2.3 |
    14.8 km (9.2 mi) depth
    |
    39 km (24 mi) distance
    | USGS | Details
  • 09 Jun 2010 06:59 UTC
    | M 2.0 |
    29.5 km (18.3 mi) depth
    |
    103 km (64 mi) distance
    | USGS | Details
  • 08 Jun 2010 00:46 UTC
    | M 2.7 |
    18.1 km (11.2 mi) depth
    |
    20 km (13 mi) distance
    | USGS | Details
  • 07 Jun 2010 23:46 UTC
    | M 2.7 |
    13 km (8.1 mi) depth
    |
    33 km (20 mi) distance
    | USGS | Details
  • 05 Jun 2010 21:45 UTC
    | M 2.3 |
    18.9 km (11.7 mi) depth
    |
    39 km (24 mi) distance
    | USGS | Details
  • 05 Jun 2010 21:28 UTC
    | M 3.8 |
    12.2 km (7.6 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details
  • 05 Jun 2010 09:05 UTC
    | M 4.3 |
    25.7 km (16 mi) depth
    |
    71 km (44 mi) distance
    | USGS | Details
  • 01 Jun 2010 19:01 UTC
    | M 2.1 |
    25.9 km (16.1 mi) depth
    |
    67 km (41 mi) distance
    | USGS | Details
  • 01 Jun 2010 00:44 UTC
    | M 2.3 |
    16.8 km (10.4 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

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