Update: 5.4 magnitude earthquake shakes near South Sandwich Islands region on July 2

Published Jul 16, 2026

A 5.4 magnitude quake occurred close to South Sandwich Islands region on Thursday morning, according to the U.S. Geological Survey.

The tremor, which hit the area at 05:23 UTC (03:23 local time), was centered of South Sandwich Islands region. It occurred at 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 noticed the earthquake, you can share your observations using the USGS Felt Report form.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage.

Structure information summary

Overall, the population in this region resides in structures that are a mix of vulnerable and earthquake resistant construction. The predominant vulnerable building types are adobe block with concrete bond beam and unreinforced brick with concrete floor construction.

Source: The U.S. Geological Survey