Strong mag. 6.1 earthquake - 6.7 km southwest of Petatlan, Guerrero, Mexico, on Thursday, January 1, 2004 at 23:31 (GMT)

Strong mag. 6.1 earthquake - 6.7 km southwest of Petatlan, Guerrero, Mexico, on Thursday, January 1, 2004 at 23:31 (GMT)

Strong magnitude 6.1 earthquake at 29 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Jan 1, 2004 23:31:50 UTC
Magnitude: 6.1
Depth: 29.4 km
Epicenter latitude / longitude: 17.488°N / 101.303°W (Petatlan, Guerrero, Mexico)
Antipode: 17.488°S / 78.697°E
Nearest volcano: Zitácuaro-Valle de Bravo (240 km / 149 mi)
Nearby towns and cities:
4 km (3 mi) S of Rio Chiquito (Petatlán) (pop: 204) --> See nearby quakes!
7 km (4 mi) SSW of Petatlan (Petatlán) (pop: 21,700) --> See nearby quakes!
22 km (14 mi) SE of Colonia Aeropuerto (Zihuatanejo de Azueta) (pop: 1,620) --> See nearby quakes!
32 km (20 mi) ESE of Zihuatanejo (pop: 67,400) --> See nearby quakes!
33 km (21 mi) WNW of Papanoa (pop: 3,510) --> See nearby quakes!
77 km (48 mi) WNW of Técpan de Galeana (pop: 15,100) --> See nearby quakes!
98 km (61 mi) WNW of Atoyac de Alvarez (Atoyac de Álvarez) (pop: 21,400) --> See nearby quakes!
164 km (102 mi) WNW of Acapulco de Juarez (pop: 673,500) --> See nearby quakes!
191 km (119 mi) W of Chilpancingo (pop: 187,300) --> See nearby quakes!
315 km (196 mi) SW of Mexico City (pop: 12,294,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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.
Mag.DepthLocationSource
6.129 kmGuerrero, MexicoUSGS
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 (25 quakes)

  • 16 Jun 2004 11:37 UTC
    | M 4.0 |
    10 km (6.2 mi) depth
    |
    46 km (28 mi) distance
    | USGS | Details
  • 03 Jun 2004 21:22 UTC
    | M 4.3 |
    36.5 km (22.7 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 03 Jun 2004 18:45 UTC
    | M 3.9 |
    31.5 km (19.6 mi) depth
    |
    45 km (28 mi) distance
    | USGS | Details
  • 28 May 2004 18:03 UTC
    | M 4.2 |
    56.2 km (34.9 mi) depth
    |
    52 km (32 mi) distance
    | USGS | Details
  • 30 Apr 2004 23:19 UTC
    | M 4.2 |
    39.8 km (24.7 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 16 Apr 2004 02:51 UTC
    | M 3.8 |
    25.5 km (15.8 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 07 Apr 2004 20:04 UTC
    | M 3.7 |
    19.5 km (12.1 mi) depth
    |
    33 km (20 mi) distance
    | USGS | Details
  • 07 Apr 2004 12:26 UTC
    | M 4.6 |
    4.8 km (3 mi) depth
    |
    44 km (28 mi) distance
    | USGS | Details
  • 14 Mar 2004 15:10 UTC
    | M 3.5 |
    16.4 km (10.2 mi) depth
    |
    42 km (26 mi) distance
    | USGS | Details
  • 09 Mar 2004 09:49 UTC
    | M 4.5 |
    15.3 km (9.5 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 26 Feb 2004 15:06 UTC
    | M 3.5 |
    12 km (7.5 mi) depth
    |
    49 km (31 mi) distance
    | USGS | Details
  • 25 Feb 2004 09:44 UTC
    | M 3.6 |
    39.5 km (24.5 mi) depth
    |
    44 km (27 mi) distance
    | USGS | Details
  • 25 Feb 2004 05:59 UTC
    | M 3.9 |
    50.8 km (31.6 mi) depth
    |
    9 km (5 mi) distance
    | USGS | Details
  • 06 Feb 2004 06:44 UTC
    | M 4.1 |
    6.8 km (4.2 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 02 Feb 2004 22:03 UTC
    | M 3.5 |
    21 km (13 mi) depth
    |
    23 km (15 mi) distance
    | USGS | Details
  • 02 Feb 2004 17:47 UTC
    | M 3.5 |
    10 km (6.2 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

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