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Great mag. 8.0 earthquake - Offshore Valparaiso, Chile on Sunday, 3 March 1985

Great mag. 8.0 earthquake  - Offshore Valparaiso, Chile on Sunday, 3 March 1985
Date & time: Sunday, 3 March 1985 22:47 UTC
Magnitude: 8.0
Depth: 33.0 km
Epicenter latitude / longitude: 33.135°S / 71.871°W (Chile)
Nearest volcano: Nevado de los Piuquenes (194 km / 121 mi)
Nearby towns and cities:
25 km (16 mi) SW of Valparaíso (pop: 282,400)
32 km (20 mi) SW of Viña del Mar (pop: 294,600)
41 km (26 mi) SW of Quilpué (pop: 130,300)
48 km (30 mi) SW of Villa Alemana (pop: 97,300)
119 km (74 mi) NW of Santiago (pop: 4,837,300)
131 km (82 mi) NW of Puente Alto (pop: 510,400)
Primary data source: USGS
Estimated released energy: 6.3 x 1016 joules (17527 gigawatt hours, equivalent to 1.5 x 107 tons of TNT or 942.5 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Sun, 3 Mar 22:47 UTCM 8.0 / 33 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!

Aftershocks of the 8.0 quake: Offshore Valparaiso, Chile, 3 Mar 1985 22:47

More info
Recorded aftershocks, latest first (119 quakes):
  • 30 Dec 1987 11:56 UTC
    | M 5.5 |
    89.9 km (55.9 mi) depth
    |
    235 km (146 mi) distance
    | USGS | Details
  • 06 Dec 1987 20:18 UTC
    | M 5.1 |
    66.5 km (41.3 mi) depth
    |
    260 km (161 mi) distance
    | USGS | Details
  • 11 Oct 1987 18:49 UTC
    | M 5.3 |
    23.3 km (14.5 mi) depth
    |
    375 km (233 mi) distance
    | USGS | Details
  • 17 Sep 1987 10:54 UTC
    | M 5.1 |
    69 km (42.9 mi) depth
    |
    284 km (177 mi) distance
    | USGS | Details
  • 13 Sep 1987 20:08 UTC
    | M 6.0 |
    10 km (6.2 mi) depth
    |
    221 km (137 mi) distance
    | USGS | Strong mag. 6.0 earthquake - Mendoza, Argentina on Sunday, 13 September 1987
  • 11 Sep 1987 04:02 UTC
    | M 5.2 |
    89.5 km (55.6 mi) depth
    |
    217 km (135 mi) distance
    | USGS | Details
  • 25 Jul 1987 16:15 UTC
    | M 5.6 |
    24.3 km (15.1 mi) depth
    |
    223 km (138 mi) distance
    | USGS | Details
  • 19 May 1987 12:56 UTC
    | M 6.2 |
    36.4 km (22.6 mi) depth
    |
    319 km (198 mi) distance
    | USGS | Strong mag. 6.2 earthquake - Coquimbo, Chile on Tuesday, 19 May 1987
  • 14 May 1987 15:57 UTC
    | M 5.8 |
    31.2 km (19.4 mi) depth
    |
    73 km (45 mi) distance
    | USGS | Details
  • 23 Mar 1987 20:48 UTC
    | M 5.2 |
    57.6 km (35.8 mi) depth
    |
    100 km (62 mi) distance
    | USGS | Details
  • 06 Mar 1987 17:17 UTC
    | M 5.0 |
    117.2 km (72.8 mi) depth
    |
    399 km (248 mi) distance
    | USGS | Details
  • 16 Feb 1987 04:44 UTC
    | M 5.1 |
    49.7 km (30.9 mi) depth
    |
    282 km (175 mi) distance
    | USGS | Details
  • 29 Jan 1987 17:22 UTC
    | M 5.4 |
    65 km (40.4 mi) depth
    |
    380 km (236 mi) distance
    | USGS | Details
  • 27 Jan 1987 07:06 UTC
    | M 5.5 |
    34.5 km (21.4 mi) depth
    |
    111 km (69 mi) distance
    | USGS | Details
  • 26 Jan 1987 15:41 UTC
    | M 5.3 |
    39.7 km (24.7 mi) depth
    |
    120 km (74 mi) distance
    | USGS | Details
  • 19 Dec 1986 05:47 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Great mag. 8.0 earthquake - Offshore Valparaiso, Chile on Sunday, 3 March 1985
 

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