Update: Seismic activity on April 18 – 5.5 magnitude earthquake close to Carlsberg Ridge reported

Published May 12, 2026

A 5.5 magnitude quake shook close to Carlsberg Ridge on Saturday morning, according to the U.S. Geological Survey.

The tremor struck at 05:59 UTC (09:59 local time), with its epicenter of Carlsberg Ridge and a depth of 10 km.

Did you feel it?

You can let the USGS know if you noticed the earthquake 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