Strong mag. 6.4 earthquake - Valparaiso, Chile, on Sunday, 3 March 1985 at 23:38 (GMT)

Strong mag. 6.4 earthquake - Valparaiso, Chile, on Sunday, 3 March 1985 at 23:38 (GMT)

Strong magnitude 6.4 earthquake at 33 km depth

Date & time: 3 Mar 1985 23:38:31 UTC
Magnitude: 6.4
Depth: 33.0 km
Epicenter latitude / longitude: 32.738°S / 71.215°W (Chile)
Nearest volcano: Tupungatito (151 km / 94 mi)
Nearby towns and cities:
5 km (3 mi) N of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
16 km (10 mi) N of Quillota (pop: 67,800) --> See nearby quakes!
27 km (17 mi) WNW of Llaillay (San Felipe de Aconcagua) (pop: 16,600) --> See nearby quakes!
31 km (19 mi) N of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
32 km (20 mi) S of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
37 km (23 mi) NNE of Villa Alemana (pop: 97,300) --> See nearby quakes!
40 km (25 mi) NNE of Quilpué (pop: 130,300) --> See nearby quakes!
45 km (28 mi) NE of Viña del Mar (pop: 294,600) --> See nearby quakes!
96 km (60 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
114 km (71 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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 6.433 kmValparaiso, 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 of the 6.4 quake Valparaiso, Chile, 3 March 1985 23:38 GMT

More info
Recorded aftershocks, latest first (81 quakes):
  • 08 Aug 1985 06:06 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    90 km (56 mi) distance
    | USGS | Details
  • 07 Aug 1985 11:10 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    87 km (54 mi) distance
    | USGS | Details
  • 25 Jul 1985 09:44 UTC
    | M 3.7 |
    123.6 km (76.8 mi) depth
    |
    90 km (56 mi) distance
    | USGS | Details
  • 17 Jul 1985 23:04 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    77 km (48 mi) distance
    | USGS | Details
  • 17 Jul 1985 13:53 UTC
    | M 5.5 |
    33 km (20.5 mi) depth
    |
    47 km (29 mi) distance
    | USGS | Details
  • 17 Jul 1985 13:37 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    69 km (43 mi) distance
    | USGS | Details
  • 11 Jul 1985 20:31 UTC
    | M 5.5 |
    28.5 km (17.7 mi) depth
    |
    88 km (55 mi) distance
    | USGS | Details
  • 09 Jul 1985 07:36 UTC
    | M 4.8 |
    44.7 km (27.8 mi) depth
    |
    73 km (45 mi) distance
    | USGS | Details
  • 09 Jul 1985 07:33 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    94 km (59 mi) distance
    | USGS | Details
  • 07 Jul 1985 20:32 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    71 km (44 mi) distance
    | USGS | Details
  • 07 Jul 1985 11:25 UTC
    | M 6.0 |
    31.4 km (19.5 mi) depth
    |
    84 km (52 mi) distance
    | USGS | Strong mag. 6.0 earthquake - Offshore Valparaiso, Chile, on Sunday, 7 July 1985 at 11:25 (GMT)
  • 24 Jun 1985 11:37 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    62 km (39 mi) distance
    | USGS | Details
  • 11 Jun 1985 11:12 UTC
    | M 5.5 |
    33 km (20.5 mi) depth
    |
    62 km (38 mi) distance
    | USGS | Details
  • 09 Jun 1985 18:46 UTC
    | M 5.3 |
    37.3 km (23.2 mi) depth
    |
    84 km (52 mi) distance
    | USGS | Details
  • 01 Jun 1985 13:05 UTC
    | M 3.5 |
    33 km (20.5 mi) depth
    |
    90 km (56 mi) distance
    | USGS | Details
  • 27 May 1985 12:43 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    68 km (42 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 6.4 earthquake - Valparaiso, Chile, on Sunday, 3 March 1985 at 23:38 (GMT)
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