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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, Jan 30, 2021 at 3:47 am (GMT +8)

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

Earthquake details

Date & timeJan 29, 2021 19:47:56 UTC
Local time at epicenterSaturday, Jan 30, 2021 at 3:47 am (GMT +8)
Depth10.0 km
Epicenter latitude / longitude13.924°S / 121.827°E (Indian Ocean, Australia)
Antipode13.924°N / 58.173°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceGeoAu (Geoscience Australia )
Nearby towns and cities422 km (263 mi) NNW of Derby (pop: 4,110) | Show on map | Quakes nearby
434 km (270 mi) NNW of Meda (pop: 58) | Show on map | Quakes nearby
528 km (328 mi) NW of King Leopold Ranges (pop: 766) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 29.2°C (85 F), humidity: 79%, wind: 10 m/s (19 kts) from W
Estimated seismic energy released1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) | about seismic energy
Show interactive Map
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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.
5.610 kmOffshore Northern WA, Indian Ocean, AustraliaGeoAu
5.610 kmNorthwest of AustraliaGFZ
6.010 kmNorthwest of AustraliaBMKG
5.610 kmNorthwest of AustraliaUSGS

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Kununurra, Wyndham-East Kimberley, Western Australia (770.8 km ESE of epicenter) [Map] / not felt
Johnston / not felt
Bundoora. Melbourne. Victoria. / not felt


[More info]

Recorded aftershocks, latest first (1 quake)

Date and timeMag
Feb 5, 2021 13:54
2 years ago

10 km
Indian Ocean, AustraliaMore

Earlier earthquakes in the same area

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