Early Morning Quake Shakes Kangaroo Island, South Australia

Early Morning Quake Shakes Kangaroo Island South Australia

Early Morning Quake Shakes Kangaroo Island, South Australia


Hey everyone, I wanted to share a quick update about a small but noticeable earthquake that happened last night near Kangaroo Island in South Australia. In the early hours of August 13, 2025, around 1:02 a.m. local time, a magnitude 3.6 earthquake struck about 23 kilometers southwest of Wisanger. It was shallow, occurring at a depth of roughly 10 kilometers, which is about 6 miles below the surface.

Although the quake was classified as light, it was definitely felt by residents across different parts of the island, and even some reports came in from nearby towns. People described a range of experiences—from weak vibrations to moderate shaking. For instance, at Vivonne Bay, someone using a CPAP machine was woken up when their bed shook, and they described it almost as if someone was shaking them awake. In Newland, a light rumble was enough to wake residents from their sleep, while in Springs Road, Menzies, the quake was compared to the rumbling of distant thunder.

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Even further afield, in places like Modbury North in Adelaide, only subtle vibrations were noticed—things like a slight rattling in the air vents or glass cabinets on wooden floors. On Kangaroo Island itself, reports described everything from beds shaking sideways to loud booming sounds coming from sheds or houses. Some residents even thought the strange sounds could be animals or thunder, only to realize later it was the earthquake. Locations like Parndana and American River experienced particularly strong effects, with windows rattling and beds shaking noticeably.

It’s worth noting that the shaking was brief, often lasting only a few seconds, but it still managed to get people’s attention, especially since most were asleep at the time. Despite the initial surprise, no major damage or injuries have been reported, which is reassuring. The data was manually confirmed by geologists and has contributed to ongoing earthquake monitoring in the region.

This small quake is a reminder that even in areas not commonly associated with seismic activity, the earth beneath us is always moving, and sometimes we get to feel it firsthand. Authorities encourage residents to continue reporting any quakes they feel because this data is valuable for seismic hazard analysis and helps scientists improve preparedness for future events.

So, while last night’s 3.6 quake may have been a minor tremor, it certainly made an impression on those awake at the time—and gave the rest of us a reminder of the subtle power of nature right in our own backyard.


If you want, I can also create an even more “storytelling” version

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