A 6.8-magnitude aftershock struck off Russia’s Kamchatka Peninsula on Sunday, according to the regional emergency ministry. The quake occurred at 5:37 a.m. GMT, about 277 kilometers from Petropavlovsk-Kamchatsky, at a depth of 26 kilometers, Xinhua reported.

Tsunami waves are expected to remain below 19 centimeters, posing no major threat. However, authorities have urged residents to avoid the coastline as a precaution. Vessels in coastal waters have been advised to move to deeper seas beyond the 50-meter isobath.

No casualties or significant damage have been reported, and officials continue to monitor the situation closely, according to Xinhua.