After an 8.8-magnitude earthquake off the coast of Russia’s Kamchatka peninsula, early tsunami warning systems kicked in and helped millions of people safely evacuate

Russia’s magnitude 8.8 earthquake spawned serious tsunami warnings, but waves have been moderate so far. Here’s the geological reason why

At 11:24 am local time on July 30, 2025, a powerful earthquake struck offshore of the Kamchatka Peninsula, triggering a tsunami in the Pacific Ocean.