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Light mag. 4.0 earthquake - S of Roebourne, WA, Australia on Tuesday, 29 September 2020

Light mag. 4.0 earthquake  - S of Roebourne, WA, Australia on Tuesday, 29 September 2020
29 Sep 12:21 UTC: First to report: EMSC after 10 minutes.
29 Sep 12:22: Now using data updates from GeoAu
... [show all] ...
30 Sep 03:13: Magnitude recalculated from 4.1 to 4.0. Epicenter location corrected by 1.8 km (1.1 mi) towards SE.
Date & time: Tuesday, 29 September 2020 12:11 UTC
Magnitude: 4.0
Depth: 10.0 km
Epicenter latitude / longitude: 21.321°S / 117.185°E (Australia)
Nearby towns and cities:
61 km (38 mi) S of Roebourne (pop: 1000)
69 km (43 mi) SE of Karratha Industrial Estate (pop: 600)
71 km (44 mi) SE of Stove Hill (pop: 300)
74 km (46 mi) SE of Karratha (pop: 11,700)
179 km (111 mi) SW of South Hedland (pop: 10,400)
186 km (116 mi) SW of Port Hedland (pop: 15,000)
Weather at epicenter at time of quake:
Scattered Clouds 23.5°C (74 F), humidity: 21%, wind: 5 m/s (10 kts) from W
Primary data source: GeoAu
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) [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.
TimeMag. / DepthLocationSource
Tue, 29 Sep 12:11 UTCM 4.0 / 10 kmS of Roebourne, WA, AustraliaGeoAu
Tue, 29 Sep 12:11 UTCM 4.5 / 10 kmPilbara, WA, AustraliaEMSC
Tue, 29 Sep 12:11 UTCM 4.5 / 10 km39 Km S of Wickham, AustraliaUSGS

User reports for this quake (154)

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!
Karratha, Western Australia (75.7 km NNW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s : It felt like a truck pulled up outside our window but without the loud noise, just a low rumble like I could feel it rather than hear it. We were watching a movie and it was noticeable enough that we paused the movie to check what was going on. | 5 users found this interesting.
16.7 km ESE of epicenter [Map] / Very weak shaking (MMI II) / 15-20 s : We were camping at George gorge in Millstream Chichester National Park, there was a deep rumble n vibration in the earth, all the fish in the stream started jumping out of the water and then a string wind cane from the southwest when it had been a northerly previously.
George gorge, Millstream Chichester National Park (177.2 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / 10-15 s : Sitting by a pool of water at George Gorge in Millstream Chichester National Park, all the fish started jumping out if water and there was a deep rumbling n mild tremor felt in earth followed by a strong wind from the opposite direction the wind had been coming from.
75 km NNW of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Son felt the lounge chair shaking underneath him | One user found this interesting.
Karratha (71.4 km NNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Loud rubbling heard inside and outside, apartment moved briefly | One user found this interesting.
Karratha (75.3 km NNW of epicenter) [Map] / Weak shaking (MMI III) / 5-10 s (reported through our app)
Karratha (71.8 km NNW of epicenter) [Map] / not felt : I didn’t feel it but our next door neighbour did and came running over to check.
69 km NNW of epicenter [Map] / Light shaking (MMI IV) / simple rolling (tilting sideways along one direction) / 2-5 s
Nickol West, Karratha (75.8 km NNW of epicenter) [Map] / not felt : Not felt, but heard loud noice.
72.1 km NNW of epicenter [Map] / Moderate shaking (MMI V) / rattling, vibrating / 15-20 s
Millarswell (74.9 km NNW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
Bulgarra (74.3 km NNW of epicenter) [Map] / Moderate shaking (MMI V) : Felt house shaking, though it was the attic floor collapsing
CXape preston (105.4 km WNW of epicenter) [Map] / Very weak shaking (MMI II) : minor shaking in the control room
Baynton, WA (74.2 km NNW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
KARRATHA (74 km NNW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
Karratha wa (71.9 km NNW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 15-20 s : Hear it more then I felt it but the windows shook
Dampier (87.9 km NW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 20-30 s
76.6 km N of epicenter [Map] / not felt
Karratha (74.4 km NNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Pegs creek (74.2 km NNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating
Karratha (74 km NNW of epicenter) [Map] / not felt : Disappointed we didn’t feel anything
  • Awww... lol
87.9 km NW of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Karratha (73.8 km NNW of epicenter) [Map] / Weak shaking (MMI III) / 5-10 s
10.3 km N of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
74 km NNW of epicenter [Map] / Light shaking (MMI IV)
Karratha- Nickol (72.2 km NW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : 3-4 seconds of solid vibration
74.7 km NNW of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s
74.1 km NNW of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 15-20 s
69.7 km NW of epicenter [Map] / Moderate shaking (MMI V) / 10-15 s
Wickham (69.4 km N of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
Karratha (73.9 km NNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
90.7 km WNW of epicenter [Map] / Very weak shaking (MMI II)
Karratha (74.5 km NNW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
175.9 km NE of epicenter [Map] / not felt
Karratha central / Moderate shaking (MMI V) / complex motion difficult to describe / 5-10 s : Loud like plane gonna crash into building, felt and saw serious shaking of structure inside, glass windows rattling
Karratha / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Laying in bed almost asleep, when hear an odd rumbling sound almost like a plane going over head. Then the bed I was in slightly shook, and my Donger. A new experience for me, hope it's nothing major
Bulgarra / Light shaking (MMI IV) / rattling, vibrating / 10-15 s : Felt like chopper outside the house. Started loud and then lasted 10-15 second and got quieter as time went on.
Bulgarra / Light shaking (MMI IV) / rattling, vibrating / 10-15 s : Felt like chopper outside the house. Started loud and then lasted 10-15 second and got quieter as time went on.
Millars Well / Moderate shaking (MMI V) : I live in Millars Well, in Karratha and was asleep, but was woken by what I describe as a moderate vibration to the house. A feeling of many road trains or trains going past or massive thunder rumble. I first thought something happened at the Woodside Gas Plant.
Nairn St Karratha / Moderate shaking (MMI V) : Upstairs laying down when loud truck like sound and shaking for about 5-10 seconds. Then continued noise like rolling thunder which sounded as though you could hear it moving away.
Baynton / Weak shaking (MMI III) / 5-10 s : felt like a truck outside my house but without the noise. Very minor shaking but enough to notice something was going on.
Karratha / not felt : Lots of loud rumbling vibration noise . Daughter experienced her bed shaking seem to last for a while.
Karratha / Very weak shaking (MMI II) / 2-5 s : Very small shakes thought it was an earthquake but no one else seemed to notice so I assumed it was a truck driving by the restaurant.
Bulgarra, Karratha / Light shaking (MMI IV) / both vertical and horizontal swinging : Sounded like loud thunder with significant shaking movement both horizontally & vertically with what felt like progressive rolling of the floor. The 'air pressure' wasn't as extreme as the previous earthquake felt in Karratha but still noticeable but not enough to induce a headache, as previously.
Point Samson / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Rumbling and rattling of deck and felt cabin structure moving. We wondered If it was activity at the port, but appears to be a small earthquake
Point Samson / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : Sitting outside under caravan awning. Thought was just the wind but realised it was the ground shaking. Both myself and my wife immediately looked at each other and said “did you feel that”
Cape Preston Mine Site / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Vibrations felt in the ground for a short period of time. I was sitting at my deck at ground level during this time.
Brisbane Qld / not felt / rattling, vibrating / 1-2 s : I had seed and small faux plastic beads on a camp plastic tray table with collapsible metal legs beads (sides criss cross like wheel trolleys)then beads on tray started shaking?: sitting stock still, no movement of feet no hands no train no trucks :}ahah!
Pegs creek Karratha / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Heard the sound before the vibration. Thought a large truck at first. Sound intensified and house began to shake. Moved the the doorway and held door frame which was shaking.
Bulgarra / Light shaking (MMI IV) / rattling, vibrating / 10-15 s : Felt like chopper outside the house. Started loud and then lasted 10-15 second and got quieter as time went on.
Karratha / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : I was in bed at the time and then approx 8.13pm the bed started to vibrate and things went quiet | One user found this interesting.
Pegs Creeks / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : We just had our ceiling fixed after the earthquake and it just cracked again in one spot... | One user found this interesting.
Karratha Light Industrial Area - North West Brewin / not felt : Didn’t feel a thing.
Baynton / Moderate shaking (MMI V) / 20-30 s
Point Samson / not felt
Karratha / Weak shaking (MMI III) / 2-5 s : Gentle shaking accompanied by deep rumble heard over TV and felt while on vouch
dampier / Strong shaking (MMI VI)
Karratha / Light shaking (MMI IV) / rattling, vibrating / 15-20 s
Wickham / Weak shaking (MMI III) / 20-30 s
Dampier / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Noisey
Karratha / Very weak shaking (MMI II) / vibration and rolling / 1-2 s : Long rumbling vibrations but was very weak
Wickham wa / Light shaking (MMI IV)
Newman / Light shaking (MMI IV)
Bulgarra, Karratha / not felt : Sounded like something big had fallen over or off of a truck.
Karratha / Light shaking (MMI IV) : House shaking and windows
Karratha Light Industrial Area - North West Brewin / not felt : Didn’t feel a thing.
Wickham / Light shaking (MMI IV) / single lateral shake / 5-10 s
Pegs Creek, Karratha, Western Australia, 6714 / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Sino Iron / Very weak shaking (MMI II) / 5-10 s
Palmerston, Darwin / not felt / rattling, vibrating / 2-5 s : Heard a loud, low rumble. Experienced supermarket signs vibrating. Didn't feel it under foot.
Wickham / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : On second floor of the building, room lightly vibrated
Millars Well / Moderate shaking (MMI V) / 15-20 s
Karratha / Weak shaking (MMI III) / rattling, vibrating
Karratha / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Rumbling noise, roof of house shook a little bit.
Karratha / Weak shaking (MMI III) / 1-2 s
Karratha / Light shaking (MMI IV) : Ground shaking under feet
Karratha / not felt : At outside restaurant with friends so didn’t feel it
Wickham / Very weak shaking (MMI II)
Karratha / Moderate shaking (MMI V) / rattling, vibrating / 10-15 s : Sitting outside for dinner and felt it.
Comfort inn karratha / Light shaking (MMI IV) / 10-15 s
Karatha / Light shaking (MMI IV)
Nickol / Weak shaking (MMI III) / rattling, vibrating : Just excitement.
Baynton / not felt / very short : Very loud noise similar to supersonic jet
Karratha / Light shaking (MMI IV) : Sounded like a truck was coming into the room and the vibration to go with it
Karratha Light Industrial Area - North West Brewin / not felt : Didn’t feel a thing.
Millars Well 6714 / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Roebourne Pilbara / Light shaking (MMI IV)
Millars well Karratha / not felt / rattling, vibrating / 20-30 s : Whole house was shaking, windows were loud
Karratha / Weak shaking (MMI III) / 2-5 s : Gentle shaking accompanied by deep rumble heard over TV and felt while on vouch
Karratha / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Dampier / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s
Roebourne / Moderate shaking (MMI V) : I just felt vibes I was indoors watching telly than that
Karratha / Light shaking (MMI IV) : House shaking and windows
Karratha / Light shaking (MMI IV) / 15-20 s
Karratha / Light shaking (MMI IV) : Was on my bed and felt like a big truck would be driving very close
West Angelas / Very weak shaking (MMI II) / rattling, vibrating / very short
Dampier / Very weak shaking (MMI II) / 10-15 s : I felt it
Karratha / Light shaking (MMI IV)
Karratha / not felt
Andover Way, Bulgarra, Karratha Wa / Light shaking (MMI IV) / 2-5 s : Sitting on couch and felt vibration. Roof and structure made noise.
BAYNTON / Light shaking (MMI IV) / rattling, vibrating / 20-30 s
Dampier / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Thought it was a train
Dampier / Weak shaking (MMI III)
Bulgarra / Weak shaking (MMI III)
Wickham / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Wickham / Very weak shaking (MMI II) / 5-10 s
Bulgarra / Light shaking (MMI IV) / rattling, vibrating / 10-15 s : Thought it was a truck driving last at first
Karratha / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Karratha / Weak shaking (MMI III) / rattling, vibrating / 20-30 s
Wickham / Light shaking (MMI IV)
Baynton, Karratha / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Felt like a prolonger mine explosion
Karratha / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s : Apartment shook. Loud rumbling.
Millars well / Light shaking (MMI IV)
Baynton, Karratha / Light shaking (MMI IV) / rattling, vibrating / 10-15 s
Baynton / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Karratha / Strong shaking (MMI VI)
Bulgarra Karratha / Light shaking (MMI IV) / rattling, vibrating / 10-15 s
Nickol, WA 6714 / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Stood in kitchen and heard/felt walls windows floor shaking
Bulgarra wa / Moderate shaking (MMI V) / 5-10 s : Felt strong inside fans shaking windows shattering and very loud noises
Nickol / Light shaking (MMI IV) / single lateral shake / 5-10 s
Wickham / Light shaking (MMI IV) / rattling, vibrating / 15-20 s
Karratha / Light shaking (MMI IV)
Karratha / Light shaking (MMI IV) : Light shaking like a train going past
6714 / not felt / rattling, vibrating / very short
Karratha / Very weak shaking (MMI II) / 10-15 s
Karratha / Light shaking (MMI IV) / rattling, vibrating
Dampier / Weak shaking (MMI III)
Karratha wa / Light shaking (MMI IV) / 2-5 s : Loud noise like jumbo flying very low over house and slight shaking.
Baynton / Moderate shaking (MMI V) / 20-30 s
Karratha / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Pegs Creek / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Thought it was a plane or truck. Gave me a bit of a scare
Karratha / Very weak shaking (MMI II) : Just heard a rumble
Karratha / Light shaking (MMI IV) / vibration and rolling / 20-30 s
Karratha / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Karratha / Weak shaking (MMI III) / 10-15 s
Dampier / Light shaking (MMI IV) / 5-10 s
Karratha / Light shaking (MMI IV) / rattling, vibrating / 10-15 s
Bayton / Light shaking (MMI IV)
7 Delmere Way Baynton Karratha / Moderate shaking (MMI V) / rattling, vibrating / 10-15 s : Loud rumbling and all glass windows and crockery shaking and vibrating, very loud and rough
Wickham / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Nickol / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Karratha / Light shaking (MMI IV) / 2-5 s
Bulgarra / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Karratha WA / Very weak shaking (MMI II) : Very big sounds
Pannawonica / Very weak shaking (MMI II) / 1-2 s
Wickham / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
6714 / Very weak shaking (MMI II) / 1-2 s : Loud noises and window rattled
Karratha / Light shaking (MMI IV) : Jumped off the lounge real quick..
Karratha / Moderate shaking (MMI V) / 15-20 s : Could feel the air vibrate
Karratha / Weak shaking (MMI III) / single lateral shake / 5-10 s
Wickham (Australia, 39 km NW of epicenter) : Felt in Wickham near Karratha, Western Australia (reported through EMSC)
Wickham (Australia, 39 km NW of epicenter) : Felt one in Point Samson Western Australia (reported through EMSC)
Bulgarra (Australia, 88 km NW of epicenter) : Low rumble with slight shaking for about 20 seconds (reported through EMSC)
Karratha (Australia, 88 km NW of epicenter) : I am outside with my elbow on the table I felt a vibration through my elbow and noticed my wine glass and bottle contents start to wave (reported through EMSC)

Earlier earthquakes in the same area since 1900

Light mag. 4.0 earthquake - S of Roebourne, WA, Australia on Tuesday, 29 September 2020
    Hint: Click on Date/Time to show latest first
  • Date / time UTC
    | Mag |
    Depth
    |
    Age
    |
    Distance
    | Details
  • 14 Jul 2019 05:39
    | 6.6 |
    15km / 9.3mi
    |
    1 year 15 weeks ago
    |
    471km / 292mi
    | Offshore Broome, WA (Australia)
  • 10 Aug 1997 09:20
    | 6.3 |
    10km / 6.2mi
    |
    23 years ago
    |
    956km / 594mi
    | Western Australia
  • 29 Apr 1941 01:35
    | 6.3 |
    15km / 9.3mi
    |
    80 years ago
    |
    629km / 391mi
    | Western Australia
  • 03 Oct 1975 11:51
    | 6.0 |
    33km / 21mi
    |
    45 years ago
    |
    989km / 615mi
    | Western Australia
  • 24 Mar 1970 10:35
    | 6.0 |
    10km / 6.2mi
    |
    51 years ago
    |
    986km / 613mi
    | Western Australia
  • 23 Apr 1979 05:45
    | 5.9 |
    33km / 21mi
    |
    42 years ago
    |
    618km / 384mi
    | Northwest of Australia
  • 16 Dec 2018 14:26
    | 5.8 |
    10km / 6.2mi
    |
    1 year 45 weeks ago
    |
    527km / 327mi
    | Western Australia
  • 30 May 2019 15:44
    | 5.7 |
    10km / 6.2mi
    |
    1 year 22 weeks ago
    |
    509km / 316mi
    | Northwest of Australia
  • 28 Feb 2019 19:53
    | 5.7 |
    103km / 64mi
    |
    1 year 35 weeks ago
    |
    653km / 405mi
    | Northwest of Australia
  • 13 Oct 1989 09:59
    | 5.5 |
    10km / 6.2mi
    |
    31 years ago
    |
    685km / 426mi
    | Western Australia
  • Show all

Map of earlier quakes

 

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