Strong mag. 5.7 earthquake - Tasman Sea, 33 km west of Milford Sound, Southland District, New Zealand, on Wednesday, 12 August 2020 at 10:16 (GMT) -

Strong mag. 5.7 earthquake - Tasman Sea, 33 km west of Milford Sound, Southland District, New Zealand, on Wednesday, 12 August 2020 at 10:16 (GMT)

Strong magnitude 5.7 earthquake at 5 km depth

12 Aug 10:19 UTC: First to report: GEONET (NZ) after 2 minutes.
Aug 12 10:21: Magnitude recalculated from 5.3 to 5.7.
Date & time: 12 Aug 2020 10:16:45 UTC -
Magnitude: 5.7
Depth: 5.0 km
Epicenter latitude / longitude: 44.6193°S / 167.51453°E (Tasman Sea, New Zealand)
Nearby towns and cities:
33 km (20 mi) W of Milford Sound (pop: 435) --> See nearby quakes!
90 km (56 mi) N of Te Anau (pop: 2,070) --> See nearby quakes!
101 km (63 mi) WNW of Queenstown (pop: 10,400) --> See nearby quakes!
130 km (81 mi) W of Wanaka (pop: 4,430) --> See nearby quakes!
141 km (88 mi) WNW of Cromwell (pop: 5,160) --> See nearby quakes!
208 km (130 mi) NNW of Invercargill (pop: 47,300) --> See nearby quakes!
272 km (169 mi) WNW of Dunedin (pop: 114,300) --> See nearby quakes!
298 km (185 mi) W of Timaru (pop: 28,000) --> See nearby quakes!
426 km (265 mi) WSW of Christchurch (pop: 363,900) --> See nearby quakes!
697 km (433 mi) SW of Wellington (pop: 381,900) --> See nearby quakes!
333 km (207 mi) SW of South Island (pop: 1,135,500) --> See nearby quakes!
266 km (165 mi) N of Stewart Island (pop: 387) --> See nearby quakes!
Primary data source: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Estimated released energy: 2.2 x 1013 joules (6.22 gigawatt hours, equivalent to 5351 tons of TNT or 0.3 atomic bombs!) More info
Show interactive Map
[smaller] [bigger]
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.
MagnitudeDepthLocationSource
5.75 kmNew ZealandGEONET (NZ)
4.810 km83 km N of Te Anau, New ZealandUSGS
4.88 kmSouth Island Of New ZealandEMSC
4.85.4 kmSouth Island, New ZealandGeoAu
4.810 kmSouth Island, New ZealandGFZ

User reports for this quake (5)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
718.3 km ENE of epicenter [Map] / Weak shaking (MMI III) : Very gentle rolling motion felt when sitting watching tele, heard it before it arrived. | One user found this interesting. (reported through our app)  
Mawhera (383 km NE of epicenter) [Map] / Very weak shaking (MMI II) : Barely perceptible (reported through our app)  
Invercargill (214.2 km SSE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Kelvin Heights (104 km ESE of epicenter) [Map] / Weak shaking (MMI III)
Glenorchy / Light shaking (MMI IV)
Volcanoes & Earthquakes - new app for Android
to top

Aftershocks

More info
Recorded aftershocks, latest first (27 quakes):
  • 04 Oct 2020 16:08 UTC
    | M 2.4 |
    5 km (3.1 mi) depth
    |
    29 km (18 mi) distance
    | GEONET (NZ) | Details
  • 04 Oct 2020 01:22 UTC
    | M 2.7 |
    5 km (3.1 mi) depth
    |
    27 km (17 mi) distance
    | GEONET (NZ) | Details
  • 02 Oct 2020 08:55 UTC
    | M 3.1 |
    5 km (3.1 mi) depth
    |
    4 km (3 mi) distance
    | GEONET (NZ) | Details
  • 29 Sep 2020 15:59 UTC
    | M 2.1 |
    40.3 km (25 mi) depth
    |
    41 km (25 mi) distance
    | GEONET (NZ) | Details
  • 26 Sep 2020 21:56 UTC
    | M 2.6 |
    5 km (3.1 mi) depth
    |
    18 km (11 mi) distance
    | GEONET (NZ) | Details
  • 23 Sep 2020 16:42 UTC
    | M 2.3 |
    5 km (3.1 mi) depth
    |
    10 km (6 mi) distance
    | GEONET (NZ) | Details
  • 21 Sep 2020 11:51 UTC
    | M 3.0 |
    5 km (3.1 mi) depth
    |
    30 km (18 mi) distance
    | GEONET (NZ) | Details
  • 21 Sep 2020 11:36 UTC
    | M 3.2 |
    1.1 km (0.7 mi) depth
    |
    26 km (16 mi) distance
    | GEONET (NZ) | Details
  • 18 Sep 2020 07:26 UTC
    | M 2.4 |
    5 km (3.1 mi) depth
    |
    11 km (7 mi) distance
    | GEONET (NZ) | Details
  • 15 Sep 2020 09:54 UTC
    | M 2.7 |
    5 km (3.1 mi) depth
    |
    5 km (3 mi) distance
    | GEONET (NZ) | Details
  • 06 Sep 2020 11:00 UTC
    | M 2.6 |
    5 km (3.1 mi) depth
    |
    14 km (9 mi) distance
    | GEONET (NZ) | Details
  • 25 Aug 2020 01:23 UTC
    | M 3.1 |
    5 km (3.1 mi) depth
    |
    4 km (3 mi) distance
    | GEONET (NZ) | Details
  • 16 Aug 2020 01:03 UTC
    | M 2.7 |
    5 km (3.1 mi) depth
    |
    28 km (18 mi) distance
    | GEONET (NZ) | Details
  • 14 Aug 2020 19:14 UTC
    | M 2.2 |
    5 km (3.1 mi) depth
    |
    24 km (15 mi) distance
    | GEONET (NZ) | Details
  • 13 Aug 2020 22:29 UTC
    | M 2.4 |
    5 km (3.1 mi) depth
    |
    9 km (6 mi) distance
    | GEONET (NZ) | Details
  • 13 Aug 2020 13:23 UTC
    | M 3.1 |
    5 km (3.1 mi) depth
    |
    30 km (19 mi) distance
    | GEONET (NZ) | Details
    • Show all

Earlier earthquakes in the same area

Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.