Major magnitude 7.4 earthquake - South Pacific Ocean, 124 km west of Lebu, Provincia de Arauco, Region del Biobio, Chile, on Saturday, 27 February 2010 at 08:01 (GMT)

Major magnitude 7.4 earthquake - South Pacific Ocean, 124 km west of Lebu, Provincia de Arauco, Region del Biobio, Chile, on Saturday, 27 February 2010 at 08:01 (GMT)

Major magnitude 7.4 earthquake at 35 km depth

Date & time: 27 Feb 2010 08:01:23 UTC
Magnitude: 7.4
Depth: 35.0 km
Epicenter latitude / longitude: 37.773°S / 75.048°W (South Pacific Ocean, Chile)
Nearby towns and cities:
124 km (77 mi) W of Lebu (Arauco) (pop: 22,300) --> See nearby quakes!
145 km (90 mi) W of Kanyete (Arauco) (pop: 20,200) --> See nearby quakes!
188 km (117 mi) WSW of Coronel (pop: 92,900) --> See nearby quakes!
202 km (125 mi) WSW of Chiguayante (pop: 82,500) --> See nearby quakes!
206 km (128 mi) WSW of Concepcion (pop: 215,400) --> See nearby quakes!
207 km (129 mi) SW of Talcahuano (pop: 253,000) --> See nearby quakes!
239 km (149 mi) WNW of Temuco (pop: 238,100) --> See nearby quakes!
276 km (171 mi) NW of Valdivia (pop: 133,400) --> See nearby quakes!
291 km (181 mi) WSW of Chillan (pop: 150,400) --> See nearby quakes!
623 km (387 mi) SW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 1015 joules (2206 gigawatt hours, equivalent to 1.9 x 106 tons of TNT or 118.7 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 7.435 kmoff the coast of Bio-Bio, ChileUSGS
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 (707 quakes):
  • 17 Feb 2012 19:11 UTC
    | M 4.3 |
    35 km (21.7 mi) depth
    |
    127 km (79 mi) distance
    | USGS | Details
  • 17 Feb 2012 08:01 UTC
    | M 4.8 |
    14.2 km (8.8 mi) depth
    |
    140 km (87 mi) distance
    | USGS | Details
  • 16 Feb 2012 22:01 UTC
    | M 4.2 |
    5.3 km (3.3 mi) depth
    |
    91 km (57 mi) distance
    | USGS | Details
  • 11 Feb 2012 10:31 UTC
    | M 4.3 |
    21 km (13 mi) depth
    |
    111 km (69 mi) distance
    | USGS | Details
  • 11 Feb 2012 02:58 UTC
    | M 5.6 |
    20.2 km (12.6 mi) depth
    |
    108 km (67 mi) distance
    | USGS | Details
  • 07 Feb 2012 12:02 UTC
    | M 4.9 |
    18.1 km (11.2 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 05 Feb 2012 03:42 UTC
    | M 4.7 |
    37.5 km (23.3 mi) depth
    |
    200 km (124 mi) distance
    | USGS | Details
  • 04 Feb 2012 10:12 UTC
    | M 4.2 |
    35 km (21.7 mi) depth
    |
    102 km (63 mi) distance
    | USGS | Details
  • 23 Jan 2012 17:53 UTC
    | M 4.4 |
    15 km (9.3 mi) depth
    |
    207 km (128 mi) distance
    | USGS | Details
  • 23 Jan 2012 17:22 UTC
    | M 5.0 |
    7.1 km (4.4 mi) depth
    |
    204 km (127 mi) distance
    | USGS | Details
  • 23 Jan 2012 03:02 UTC
    | M 4.3 |
    42.4 km (26.3 mi) depth
    |
    96 km (60 mi) distance
    | USGS | Details
  • 09 Jan 2012 10:45 UTC
    | M 4.6 |
    34 km (21.1 mi) depth
    |
    68 km (42 mi) distance
    | USGS | Details
  • 06 Jan 2012 08:08 UTC
    | M 5.0 |
    29.8 km (18.5 mi) depth
    |
    28 km (18 mi) distance
    | USGS | Details
  • 03 Jan 2012 21:50 UTC
    | M 4.6 |
    25.1 km (15.6 mi) depth
    |
    122 km (76 mi) distance
    | USGS | Details
  • 28 Dec 2011 19:54 UTC
    | M 4.9 |
    36.1 km (22.4 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 16 Dec 2011 00:58 UTC
    | M 4.4 |
    31.8 km (19.8 mi) depth
    |
    119 km (74 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

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