Very strong mag. 6.7 earthquake - Provincia de Valparaiso, 26 km southwest of Quilpué, Provincia de Marga Marga, Valparaiso, Chile, on Tuesday, 19 March 1985 at 04:01 (GMT)

Very strong mag. 6.7 earthquake - Provincia de Valparaiso, 26 km southwest of Quilpué, Provincia de Marga Marga, Valparaiso, Chile, on Tuesday, 19 March 1985 at 04:01 (GMT)

Very strong magnitude 6.7 earthquake at 42 km depth

Date & time: 19 Mar 1985 04:01:08 UTC
Magnitude: 6.7
Depth: 42.2 km
Epicenter latitude / longitude: 33.198°S / 71.653°W (Provincia de Valparaiso, Valparaiso, Chile)
Nearest volcano: Nevado de los Piuquenes (173 km / 107 mi)
Nearby towns and cities:
18 km (11 mi) S of Valparaiso (pop: 282,400) --> See nearby quakes!
21 km (13 mi) SSW of Viña del Mar (pop: 294,600) --> See nearby quakes!
26 km (16 mi) SW of Quilpué (pop: 130,300) --> See nearby quakes!
31 km (19 mi) SW of Villa Alemana (pop: 97,300) --> See nearby quakes!
41 km (26 mi) WSW of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
44 km (28 mi) N of San Antonio (pop: 85,700) --> See nearby quakes!
51 km (32 mi) SW of Quillota (pop: 67,800) --> See nearby quakes!
62 km (38 mi) SW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
98 km (61 mi) WNW of Santiago de Chile (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
110 km (68 mi) WNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1014 joules (197 gigawatt hours, equivalent to 1.7 x 105 tons of TNT or 10.6 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 6.742 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

More info
Recorded aftershocks, latest first (73 quakes):
  • 13 Sep 1985 03:54 UTC
    | M 3.2 |
    33 km (20.5 mi) depth
    |
    83 km (52 mi) distance
    | USGS | Details
  • 12 Sep 1985 15:18 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    93 km (58 mi) distance
    | USGS | Details
  • 26 Aug 1985 01:18 UTC
    | M 4.2 |
    33 km (20.5 mi) depth
    |
    68 km (42 mi) distance
    | USGS | Details
  • 25 Aug 1985 03:22 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    51 km (32 mi) distance
    | USGS | Details
  • 23 Aug 1985 18:19 UTC
    | M 4.8 |
    33 km (20.5 mi) depth
    |
    77 km (48 mi) distance
    | USGS | Details
  • 20 Aug 1985 12:21 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    84 km (52 mi) distance
    | USGS | Details
  • 16 Aug 1985 14:45 UTC
    | M 4.2 |
    33 km (20.5 mi) depth
    |
    76 km (47 mi) distance
    | USGS | Details
  • 14 Aug 1985 01:28 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    37 km (23 mi) distance
    | USGS | Details
  • 08 Aug 1985 06:06 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 07 Aug 1985 11:10 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    38 km (24 mi) distance
    | USGS | Details
  • 17 Jul 1985 23:04 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    30 km (19 mi) distance
    | USGS | Details
  • 17 Jul 1985 13:53 UTC
    | M 5.5 |
    33 km (20.5 mi) depth
    |
    49 km (31 mi) distance
    | USGS | Details
  • 17 Jul 1985 13:37 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    50 km (31 mi) distance
    | USGS | Details
  • 14 Jul 1985 18:20 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    72 km (45 mi) distance
    | USGS | Details
  • 12 Jul 1985 16:14 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    76 km (47 mi) distance
    | USGS | Details
  • 11 Jul 1985 21:02 UTC
    | M 3.5 |
    33 km (20.5 mi) depth
    |
    74 km (46 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

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