Moderate and damaging M 4.6 earthquake struck near Super Pit goldmine, near Kalgoorlie, Western Australia

moderate-and-damaging-m-4-6-earthquake-struck-near-super-pit-goldmine-near-kalgoorlie-western-australia

Moderate but slightly damaging earthquake, registered as M 4.6 (GA Australia) struck near Kalgoorlie-Boulder in Western Australia on February 26, 2014. EMSC recorded M4.5 while USGS has no data. The epicenter was located 30 km west of Kalgoorlie-Boulder, Western Australia at coordinates 30.71 S ; 121.18 E.

(Geoscience Australia/INEGI/TerraMetrics)

The epicenter was at depth of 0 km. Based on the depth of the hypocenter, there is a possibility that this earthquake was triggered by mining activities in the area. The Fimiston Open Pit, colloquially known as the Super Pit, is Australia's largest open cut gold mine. The Super Pit is located off the Goldfields Highway on the south-east edge of Kalgoorlie, Western Australia. The pit is oblong in shape and is approximately 3.5 kilometers long, 1.5 kilometers wide and 570 meters deep. The mine produces 850,000 ounces (28 tones) of gold per year, and employs around 550 employees directly on site. It operates 24 hours a day, 7 days a week, and a visitor centre overlooks it. The mine blasts at 1:00 pm every day, unless winds would carry dust over the town.

KAMBALDA, WA (KMBL)seismogram – Initial arrival (23:59:52 – 00:03:22 (UTC)) (Credit Geoscience Australia)

Since the initial earthquake 15 aftershocks have been recorded, but were too small to be analysed. Geoscience Australia received more than 70 felt reports from the area, describing minor damage to houses, falling pictures and crockery, and swaying of buildings. Felt reports came from as far away as 120km from the epicentre.

It is the second largest earthquake on record for this region, following the M 5.0 earthquake in April 2010, which caused major structural damage to buildings and infrastructure.

Featured image: Kalgoorlie's Super Pit. Photo taken and supplied by Brian Voon Yee Yap. The Big Pit. (Credit: Wikimedia)

If you value what we do here, create your ad-free account and support our journalism.

Share:

Related articles

Producing content you read on this website takes a lot of time, effort, and hard work. If you value what we do here, select the level of your support and register your account.

Your support makes this project fully self-sustainable and keeps us independent and focused on the content we love to create and share.

All our supporters can browse the website without ads, allowing much faster speeds and a clean interface. Your comments will be instantly approved and you’ll have a direct line of communication with us from within your account dashboard. You can suggest new features and apps and you’ll be able to use them before they go live.

You can choose the level of your support.

Stay kind, vigilant and ready!

$5 /month

  • Ad-free account
  • Instant comments
  • Direct communication
  • New features and apps suggestions
  • Early access to new apps and features

$50 /year

$10 /month

  • Ad-free account
  • Instant comments
  • Direct communication
  • New features and apps suggestions
  • Early access to new apps and features

$100 /year

$25 /month

  • Ad-free account
  • Instant comments
  • Direct communication
  • New features and apps suggestions
  • Early access to new apps and features

$200 /year

You can also support us by sending us a one-off payment using PayPal:

Leave a reply

Your email address will not be published.