Light mag. 2.9 earthquake - 5 km south of Kalgoorlie-Boulder, Kalgoorlie/Boulder, Western Australia, on Saturday, Aug 6, 2022 at 7:34 am (GMT +8) -

Light mag. 2.9 earthquake - 5 km south of Kalgoorlie-Boulder, Kalgoorlie/Boulder, Western Australia, on Saturday, Aug 6, 2022 at 7:34 am (GMT +8) Light mag. 2.9 earthquake - 5 km south of Kalgoorlie-Boulder, Kalgoorlie/Boulder, Western Australia, on Saturday, Aug 6, 2022 at 7:34 am (GMT +8)

Light magnitude 2.9 earthquake at 2 km depth

5 Aug 23:37 UTC: First to report: VolcanoDiscovery after 2 minutes.
6 Aug 00:46: Now using data updates from GeoAu
6 Aug 00:52: Hypocenter depth recalculated from 10.0 to 1.4 km (from 6.2 to 0.9 mi). Epicenter location corrected by 2.8 km (1.8 mi) towards NNE.
7 Aug 21:38: Hypocenter depth recalculated from 1.4 to 2.0 km (from 0.9 to 1.2 mi). Epicenter location corrected by 6 km (3.7 mi) towards SSW.

Earthquake details

Date & timeAug 5, 2022 23:34:53 UTC -
Local time at epicenterSaturday, Aug 6, 2022 at 7:34 am (GMT +8)
StatusConfirmed
Magnitude2.9
Depth2.0 km
Epicenter latitude / longitude30.791°S / 121.469°E (Kalgoorlie/Boulder, Western Australia, Australia)
Antipode30.791°N / 58.531°W
Shaking intensityWeak shaking
Felt11 reports
Primary data sourceGeoAu (Geoscience Australia )
Nearby towns and cities5 km (3 mi) SSW of Williamstown (pop: 135) | Show on map | Quakes nearby
5 km (3 mi) S of Kalgoorlie-Boulder (pop: 4,190) | Show on map | Quakes nearby
30 km (18 mi) WNW of Stoneville (pop: 2,840) | Show on map | Quakes nearby
34 km (21 mi) ENE of Coolgardie (pop: 864) | Show on map | Quakes nearby
34 km (21 mi) ENE of Mount Burges (pop: 100) | Show on map | Quakes nearby
48 km (30 mi) NNW of Kambalda West (pop: 1,750) | Show on map | Quakes nearby
79 km (49 mi) N of Widgiemooltha (pop: 36) | Show on map | Quakes nearby
548 km (340 mi) ENE of Perth (pop: 1,896,500) | Show on map | Quakes nearby
Estimated seismic energy released1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 tons of TNT) | about seismic energy
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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.
Mag.DepthLocationSource
2.92 kmAustralia: Kalgoorlie-Boulder, WAGeoAu
2.91 kmWESTERN AUSTRALIAEMSC
2.91 kmWestern AustraliaRaspberryShake

User reports for this quake (11)

At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Boulder (2.1 km NE of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 2-5 s : Was dozing and the sudden vibration and shake of the house made me jump. Still felt like the house had mild movement after the event but could have just been my body reacting (I hate them!)  
Boulder, Western Australia (2 km NE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : A single loud thump like an explosion and a few vibrations  
Kalgoorlie Western Australia (1.1 km N of epicenter) [Map] / Weak shaking (MMI III) / 5-10 s : Laying in bed. Heard bang and sound like a train coming close along with vibration/shaking.  
Boulder, (0.8 km NNE of epicenter) [Map] / Light shaking (MMI IV) : Was in bed, shook the bed, and sounded like a boom  
Kalgoorlie (4.4 km N of epicenter) [Map] / Light shaking (MMI IV) / vertical swinging (up and down) / 2-5 s
Kalgoorlie-Boulder, Western Australia (2.3 km NNE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short : Sudden jolt and rattle of house  
Watching morning news / Very weak shaking (MMI II)
Boulder WA / Very weak shaking (MMI II) / single vertical bump / very short : 2 big bangs felt it through floor  
Boulder / Very weak shaking (MMI II) / single vertical bump / 1-2 s : It was just a loud thump.  
Kalgoorlie Boulder / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
South Boulder / Light shaking (MMI IV) / single vertical bump / 1-2 s : Heard loud bang felt single holy under floor  
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