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Strong mag. 6.1 earthquake - Atacama, Chile on Wednesday, 7 December 2011

Strong mag. 6.1 earthquake  - Atacama, Chile on Wednesday, 7 December 2011
Date & time: Wednesday, 7 December 2011 22:23 UTC
Magnitude: 6.1
Depth: 20.0 km
Epicenter latitude / longitude: 27.899°S / 70.918°W (Chile)
Nearest volcano: Copiapo (188 km / 117 mi)
Nearby towns and cities:
77 km (48 mi) NW of Vallenar (pop: 44,900)
83 km (51 mi) SW of Copiapó (pop: 129,300)
191 km (119 mi) SW of Diego de Almagro (pop: 18,100)
619 km (384 mi) N of Santiago (pop: 4,837,300)
Primary data source: USGS
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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
Wed, 7 Dec 22:23 UTCM 6.1 / 20 kmAtacama, 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 6.1 quake: Atacama, Chile, 7 Dec 2011 22:23

More info
Recorded aftershocks, latest first (15 quakes):
  • 28 May 2012 08:22 UTC
    | M 4.5 |
    76.5 km (47.5 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 27 May 2012 14:07 UTC
    | M 3.9 |
    62.5 km (38.8 mi) depth
    |
    42 km (26 mi) distance
    | GUG (U. Chile) | Details
  • 24 May 2012 15:33 UTC
    | M 4.7 |
    23.3 km (14.5 mi) depth
    |
    44 km (27 mi) distance
    | USGS | Details
  • 24 May 2012 04:51 UTC
    | M 4.7 |
    31.6 km (19.6 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details
  • 01 May 2012 08:55 UTC
    | M 4.8 |
    48.5 km (30.1 mi) depth
    |
    45 km (28 mi) distance
    | USGS | Details
  • 20 Apr 2012 15:55 UTC
    | M 4.1 |
    70 km (43.5 mi) depth
    |
    62 km (38 mi) distance
    | USGS | Details
  • 11 Jan 2012 19:31 UTC
    | M 4.8 |
    40.2 km (25 mi) depth
    |
    23 km (14 mi) distance
    | USGS | Details
  • 05 Jan 2012 09:17 UTC
    | M 4.6 |
    45.8 km (28.5 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details
  • 28 Dec 2011 11:43 UTC
    | M 4.9 |
    67 km (41.6 mi) depth
    |
    67 km (42 mi) distance
    | USGS | Details
  • 08 Dec 2011 23:04 UTC
    | M 4.2 |
    65.1 km (40.5 mi) depth
    |
    27 km (17 mi) distance
    | USGS | Details
  • 08 Dec 2011 20:55 UTC
    | M 4.7 |
    44.5 km (27.7 mi) depth
    |
    48 km (30 mi) distance
    | USGS | Details
  • 08 Dec 2011 05:12 UTC
    | M 4.1 |
    25.9 km (16.1 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 08 Dec 2011 01:13 UTC
    | M 4.5 |
    57.6 km (35.8 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 08 Dec 2011 00:17 UTC
    | M 4.3 |
    29.2 km (18.1 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 07 Dec 2011 22:34 UTC
    | M 4.3 |
    26 km (16.2 mi) depth
    |
    30 km (19 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - Atacama, Chile on Wednesday, 7 December 2011
 

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