Strong mag. 5.6 earthquake - Offshore Northern WA, Indian Ocean, Australia, on Friday, 29 January 2021 at 19:47 (GMT) - information

Strong mag. 5.6 earthquake - Indian Ocean, Australia, on Saturday, 30 Jan 2021 3:47 am (GMT +8)

- Strong mag. 5.6 earthquake - Indian Ocean, Australia, on Saturday, 30 Jan 2021 3:47 am (GMT +8)

Strong magnitude 5.6 earthquake at 10 km depth

29 Jan 19:54 UTC: First to report: EMSC after 6 minutes.
29 Jan 19:56: Magnitude recalculated from 6.4 to 6.0. Hypocenter depth recalculated from 94.0 to 91.0 km (from 58 to 57 mi). Epicenter location corrected by 4 km (2.5 mi) towards NNE.
... [show all] ...
31 Jan 22:17: Hypocenter depth recalculated from 20.0 to 10.0 km (from 12.4 to 6.2 mi). Epicenter location corrected by 2 km (1.3 mi) towards NNW.
Date & time: 29 Jan 2021 19:47:56 UTC -
Local time at epicenter: Saturday, 30 Jan 2021 3:47 am (GMT +8)
Magnitude: 5.6
Depth: 10.0 km
Epicenter latitude / longitude: 13.924°S / 121.827°E (Indian Ocean, Australia)
Nearby towns and cities:
422 km (263 mi) NNW of Derby (pop: 4,110) --> See nearby quakes!
434 km (270 mi) NNW of Meda (pop: 58) --> See nearby quakes!
435 km (270 mi) N of Waterbank (pop: 276) --> See nearby quakes!
451 km (280 mi) N of Broome (pop: 5,310) --> See nearby quakes!
460 km (286 mi) SSW of Kupang (Indonesia) (pop: 282,400) --> See nearby quakes!
528 km (328 mi) NW of King Leopold Ranges (pop: 766) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 29.2°C (85 F), humidity: 79%, wind: 10 m/s (19 kts) from W
Primary data source: GeoAu (Geoscience Australia )
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 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 5.610 kmOffshore Northern WA, Indian Ocean, AustraliaGeoAu
M 5.610 kmNorthwest of AustraliaGFZ
M 6.010 kmNorthwest of AustraliaBMKG
M 5.610 kmNorthwest of AustraliaUSGS
M 5.62 kmNORTHWEST OF AUSTRALIAEMSC

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
770.8 km ESE of epicenter [Map] / not felt
Johnston / not felt
Bundoora. Melbourne. Victoria. / not felt
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Aftershocks

More info
Recorded aftershocks, latest first (1 quakes):
  • 05 Feb 2021 13:54 UTC
    | M 3.2 |
    10 km (6.2 mi) depth
    |
    4 km (2 mi) distance
    | GeoAu | Details

Earlier earthquakes in the same area since 1900


Map of earlier quakes

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