Update: Earthquake of 5.5 magnitude registered close to Pacific-Antarctic Ridge on July 20

Published Jul 21, 2026

A 5.5 magnitude quake shook near Pacific-Antarctic Ridge on Monday evening, according to the U.S. Geological Survey.

A tremor struck the area at 05:38 UTC (20:38 local time). The earthquake’s epicenter was of Pacific-Antarctic Ridge and occurred at a depth of 10 km.

Did you feel it?

You can let the USGS know if you experienced the quake by filling out their 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

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

Source: The U.S. Geological Survey