Update: Seismic activity on Aug. 19 – 5.4 magnitude earthquake close to Balleny Islands region detected

Published Sep 14, 2025

According to the U.S. Geological Survey, a 5.4 magnitude quake shook close to Balleny Islands region Tuesday morning.

The tremor hit at 17:33 UTC (04:33 local time), with its epicenter situated of Balleny Islands region and a depth of 10 km. The magnitude was originally reported as 5.3 but later upgraded to 5.4.

Did you feel it?

If you felt the earthquake, you can submit a report via the USGS Felt Report form.

Impact and estimated losses

Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

Structure information summary
There are likely to be no affected structures in this region.

Source: The U.S. Geological Survey