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| UTC time | 2023-05-28 13:41:51 |
|---|---|
| ISC event | 626225065 |
| USGS-ANSS | ComCat |
| Local date | 28 May 2023 |
| Local time | 23:41:51 |
| Duration | 5–10 seconds |
| Magnitude | ML4.0 (Geoscience Australia)[1] mb3.8 (USGS)[2] |
| Depth | 2.0 km (1.2 mi) (Geoscience Australia)[1] 9.0 km (5.6 mi) (USGS)[2] |
| Epicenter | 37°34′S 144°51′E / 37.56°S 144.85°E |
| Fault | Unknown |
| Max. intensity | MMI VI (Strong)[3] |
| Peak acceleration | 0.1g[4] |
| Aftershocks | ML 2.6[5] |
| Casualties | None |
An earthquake struck approximately 28 kilometres NNW of Melbourne CBD, near the suburb of Sunbury in Victoria, Australia on 28 May 2023, at 23:41 local time (AEST). The earthquake measured 4.0 on the moment magnitude scale.[1] It caused minor structural damage in parts of Melbourne and was felt as far as Tasmania and the Victoria-New South Wales border. Although the earthquake was weaker than the magnitude 5.9 Mansfield earthquake in 2021, this earthquake occurred within metropolitan Melbourne, so it was felt at a similar strength there, albeit for a lesser amount of time.[6]
- ^ a b c "Sunbury, VIC". earthquakes.ga.gov.au. Geoscience Australia. Retrieved 1 June 2023.
- ^ a b "M 3.8 – 5 km W of Mickleham, Australia, Australia". United States Geological Survey. Retrieved 7 June 2023.
- ^ "Macroseismic Intensity Map GA" (PDF). Earthquake@GA. Geoscience Australia. Retrieved 3 June 2023.
- ^ "Peak Ground Acceleration Map GA" (PDF). Earthquake@GA. Geoscience Australia. Retrieved 3 June 2023.
- ^ "Earthquakes@GA | NE of Sunbury, VIC". Archived from the original on 1 June 2023. Retrieved 1 June 2023.
- ^ Sambul, Benjamin; Preiss, Najma (29 May 2023). "Why magnitude 3.8 earthquake felt unusually strong". The Age. Retrieved 1 June 2023.