Underground Mining Activities Induce 3.5 Magnitude Earthquake in Victoria
An underground gold mine caused a 3.5 magnitude earthquake in Victoria, felt widely despite its minor nature. Geoscience Australia indicates no expected aftershocks, and the Fosterville Gold Mine is addressing community concerns while reviewing the incident. Victoria has seen significant seismic activity in 2023, with numerous recorded earthquakes.
An underground gold mine’s activities triggered a minor 3.5 magnitude earthquake in central Victoria, specifically at the Fosterville Gold Mine, located approximately 26 kilometers northeast of Bendigo. This seismic event occurred at 6:41 AM today and was felt by forty-seven individuals across the state, with reports extending as far as Glen Huntly in Melbourne. According to Geoscience Australia, this earthquake is not expected to produce any significant aftershocks, as the shaking was brief and typically lacks damaging potential. Geoscience Australia’s Senior Seismologist, Jonathan Bathgate, described this magnitude as minor, stating, “The shaking associated with an earthquake of this size would be relatively short-lived and wouldn’t be expected to cause any damage.” Bathgate further remarked on the auditory effects, noting that individuals often hear a loud boom rather than feeling the tremor as the event is fleeting. In response, Fosterville Gold Mine acknowledged the occurrence of a “mine-induced seismic event”. The spokesperson from the mine detailed the uniqueness of such events, explaining that while their mechanisms are analogous to natural earthquakes, they are intricately linked to mining operations. Safeguards are in place for all employees, and a community outreach initiative has been established to address any concerns emanating from local residents. The mine is currently conducting a thorough review of this occurrence. Operated by the Canadian company, Agnico Eagle Mines Limited, Fosterville Gold Mine is recognized as Victoria’s leading gold producer. The mine’s activities involve altering the geological pressure exerted on the surrounding rock, which can result in fractures and subsequent ground vibrations. Fosterville employs an underground seismic monitoring system to detect and document these events. Geoscience Australia has recorded thirty-eight earthquakes in Victoria this year, with magnitudes ranging from 1.4 to 4.3, the latter being felt on February 8 in Leongatha. Bathgate noted that Victoria ranks among Australia’s more seismically active regions, stating, “Victoria, we would consider it to be one of the higher seismicity states in Australia, along with South Australia and south-west WA.” In light of these developments, the Victorian State Emergency Service has reassured residents on how to respond during an earthquake, advising them to “drop, take cover and hold on.”
The Fosterville Gold Mine in central Victoria is a significant site for gold extraction, operating under Agnico Eagle Mines Limited. The mine’s operational activities include altering geological structures, which can occasionally lead to seismic events. Natural seismic activity in Victoria has been relatively common, with numerous recorded earthquakes this year alone. Understanding the relationship between mining activities and induced seismic events is essential for regional safety and community confidence. Geoscience Australia plays a pivotal role in monitoring and categorizing these seismic occurrences.
In summary, the recent 3.5 magnitude earthquake in central Victoria, induced by the Fosterville Gold Mine’s activities, underscores the complex relationship between mining operations and seismic activity. With appropriate safety protocols and community outreach initiatives in place, mine authorities aim to address local concerns and ensure public safety. Continuing seismic activity in Victoria reflects the importance of ongoing monitoring and preparedness for such geological events.
Original Source: www.9news.com.au
