Overview

• A magnitude 8.8 earthquake struck off Russia’s Kamchatka Peninsula on July 29, marking the strongest tremor in the region since 1952.
• Tsunami waves up to four metres flooded Severo-Kurilsk on Paramushir Island, inundating port facilities and a fish plant and causing several minor injuries without fatalities.
• Japan’s Meteorological Agency escalated its advisory from one to three metres, triggering evacuations across Hokkaido and Pacific Honshu, while the Pacific Tsunami Warning Center warned Hawaii, Alaska and the U.S. West Coast.
• Mexico’s navy forecast under-20-centimetre surges along its Pacific coast and Latin American countries from Chile to Ecuador initiated precautionary evacuations and high-ground alerts.
• Agencies including USGS, NOAA, JMA and Semar are maintaining buoy networks and satellite monitoring to detect aftershocks or renewed tsunami threats despite eased warnings.