Magnitude 4.8 earthquake strikes Victoria, rattling Melbourne and regional areas

Consensus Summary

A magnitude 4.8 earthquake struck Victoria in the early hours of Saturday, rattling Melbourne and regional areas including Leongatha, about 135 kilometres south-east of the city. The tremor, which occurred just after 2am at a depth of 10 kilometres, prompted thousands of residents to report feeling the shaking, with both THEAGE and ABC confirming over 10,000 felt reports. Geoscience Australia recorded the quake, and authorities issued alerts to reassure the public that there was no immediate threat, though the Victoria State Emergency Service advised standard earthquake safety measures. The event marked the latest in a series of seismic activities following a devastating magnitude 5.9 earthquake in September 2021, which caused significant damage in Melbourne and was the largest quake recorded in the metropolitan area for 120 years.

The recent earthquake is part of a broader pattern of increased seismic activity in Victoria, with experts linking it to the lingering effects of the 2021 quake. THEAGE notes that tremors have been frequent since then, including a 3.8-magnitude aftershock near Sunbury and smaller quakes in June 2023 near Mount Baw Baw and in August last year on the Mornington Peninsula. These events have led to heightened awareness among residents, though no injuries or major damage have been reported this time. Geoscience Australia’s Hadi Ghasemi told ABC that the latest quake was among the strongest in the region over the last two decades, underscoring the unpredictability of seismic activity in the area.

While both outlets agree on the core details of the earthquake—its magnitude, location, and timing—there are discrepancies in the number of felt reports. THEAGE states that over 10,000 people reported feeling the quake by 2.30am, whereas ABC cites nearly 15,000 reports by 3am. Additionally, THEAGE provides specific details about aftershocks and historical context, including the 3.8-magnitude quake near Sunbury, which ABC does not mention. The differences in figures may reflect variations in reporting timelines or methodologies, but the overall consensus is that the earthquake was widely felt across Victoria.

The response from authorities has been consistent, with both sources emphasizing that no immediate danger was posed to the community. THEAGE includes a direct quote from the SES advising residents to ‘drop, cover, and hold on’ during an earthquake, while ABC focuses on the lack of reported injuries or damage. The articles also highlight the role of Geoscience Australia in monitoring and communicating seismic events, with ABC quoting Ghasemi’s assessment of the quake’s significance. Despite the minor contradictions, the reporting aligns in portraying the event as a reminder of Victoria’s seismic vulnerability, particularly in the wake of the 2021 disaster.

Looking ahead, the articles suggest that further seismic activity remains possible, given the region’s history of tremors. THEAGE notes that experts consider these events part of normal post-earthquake activity, while ABC underscores the rarity of such strong quakes in recent decades. Residents are advised to stay informed through official channels like VicEmergency or the SES hotline, 132 500, as reported by THEAGE. While the immediate aftermath appears stable, the ongoing seismic monitoring will be crucial in assessing whether this event signals a prolonged period of increased earthquake risk in Victoria.