Strong mag. 6.2 earthquake - South Pacific Ocean, 27 km west of San Antonio, Valparaiso, Chile, on Monday, 23 March 1981 at 19:28 (GMT)

Strong mag. 6.2 earthquake - South Pacific Ocean, 27 km west of San Antonio, Valparaiso, Chile, on Monday, 23 March 1981 at 19:28 (GMT)

Strong magnitude 6.2 earthquake at 46 km depth

Date & time: 23 Mar 1981 19:28:10 UTC
Magnitude: 6.2
Depth: 46.3 km
Epicenter latitude / longitude: 33.661°S / 71.892°W (South Pacific Ocean, Chile)
Nearest volcano: Palomo (181 km / 112 mi)
Nearby towns and cities:
27 km (17 mi) WSW of San Antonio (pop: 85,700) --> See nearby quakes!
29 km (18 mi) WSW of Cartagena (San Antonio) (pop: 16,900) --> See nearby quakes!
63 km (39 mi) W of Melipilla (pop: 63,100) --> See nearby quakes!
78 km (48 mi) SSW of Viña del Mar (pop: 294,600) --> See nearby quakes!
80 km (50 mi) SSW of Quilpué (pop: 130,300) --> See nearby quakes!
84 km (52 mi) SW of Villa Alemana (pop: 97,300) --> See nearby quakes!
89 km (55 mi) W of Talagante (pop: 51,800) --> See nearby quakes!
94 km (59 mi) W of Peñaflor (pop: 65,500) --> See nearby quakes!
117 km (73 mi) WSW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
122 km (76 mi) W of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 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 6.246 kmoffshore Valparaiso, 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 (6 quakes):
  • 18 May 1981 00:15 UTC
    | M 4.0 |
    42.9 km (26.7 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 25 Mar 1981 18:09 UTC
    | M 4.7 |
    22.1 km (13.7 mi) depth
    |
    30 km (18 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    8343 km (5184 mi) distance
    | | Details
  • 24 Mar 1981 22:14 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    57 km (35 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    8343 km (5184 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    8343 km (5184 mi) distance
    | | Details

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Earlier earthquakes in the same area

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