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Strong mag. 6.6 earthquake - SOUTHWEST OF AFRICA on Sunday, 28 January 2018 - information

Strong mag. 6.6 earthquake - SOUTHWEST OF AFRICA on Sunday, 28 January 2018

Strong mag. 6.6 earthquake  - SOUTHWEST OF AFRICA on Sunday, 28 January 2018
Date & time: Sunday, 28 January 2018 16:03 UTC
Magnitude: 6.6
Depth: 2.0 km
Epicenter latitude / longitude: 53.13°S / 9.63°E (international territory)
Primary data source: EMSC
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 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.
HeureMag. / DepthLocationSource
Sun, 28 Jan 16:03 UTCM 6.6 / 2 kmSOUTHWEST OF AFRICAEMSC

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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Send your own experience report!
FRESNO ,Calif (568.2 km NNE of epicenter) [Map] / not felt
Cape Town, Goodwood,Vasco estate. (2253.1 km NNE of epicenter) [Map] / not felt : Sorry the earthquake was +-50 seconds long not 50 minutes. (reported through our app)
Cape Town, Goodwood,Vasco estate. / not felt : My grandson ask me and his mom what kind of noise it was . As the airplanes passes over our city all the time we told him it was a airplane. But he said it is a different noise and it took longer to stop about -+50 minutes. It was a rumbling noise like the airplane ,I only recognise it as a earthquake when I saw it on FB and the time is about -+17:00 we was in our backyard at that time.

Aftershocks of the 6.6 quake: SOUTHWEST OF AFRICA, 28 Jan 2018 16h03

Show info about this
List of recorded aftershocks, latest first (4 quakes):
  • 21 Feb 2018 10:27 UTC
    | M 5.2 |
    10 km (6.2 mi) depth
    33 km (20 mi) distance
    | EMSC | Details
  • 11 Feb 2018 00:10 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    40 km (25 mi) distance
    | USGS | Details
  • 28 Jan 2018 22:23 UTC
    | M 5.4 |
    33 km (20.5 mi) depth
    44 km (27 mi) distance
    | USGS | Details
  • 28 Jan 2018 18:09 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    13 km (8 mi) distance
    | USGS | Details

Map of aftershocks

Significant earthquakes in the same area since 1900

Strong mag. 6.6 earthquake - SOUTHWEST OF AFRICA on Sunday, 28 January 2018

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