Two million under evacuation advisory when the 2025 Earthquake triggered Pacific tsunami: Japan, Russia, and North American west coast was hit by waves
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An 8.8-magnitude earthquake struck off Russia’s Kamchatka Peninsula early Wednesday July 30th 2025, set off tsunami waves that rippled across the Pacific and prompted widespread evacuations from Japan to California, according to several international media.
Earthquake among the strongest ever recorded
The quake, reportedly one of the most powerful since Japan’s 2011 disaster, struck near the remote Russian city of Petropavlovsk-Kamchatsky, causing structural damage and injuring several residents. In Severo-Kurilsk, waves over 9 feet swept through the coastal town, submerging buildings and forcing the evacuation of its 2,000 residents.
Japan: Two Million Under Evacuation Advisories
Japan’s eastern seaboard was placed under high alert as tsunami waves reached Hokkaido, Iwate, and Chiba prefectures. The Japan Meteorological Agency reported wave heights climbing from 20 cm to over 1.3 meters, triggering evacuation orders for nearly 2 million people, according to Reuters.
Overnight, tsunami waves reached Hawaii, where sirens blared and traffic jammed as residents fled low-lying areas. Waves between 3 and 10 feet (91 to 305 cm) were reported in Maui and Oahu, though no major damage occurred. Evacuation orders were lifted by morning, but advisories remained in place due to strong currents, reports CBS News. and Honolulu Civil Beat.
- The County of Monterey’s official emergency update confirmed that a Tsunami Advisory was issued for coastal areas from the California/Mexico border to the BC/Alaska border, including California, Oregon, Washington, and Alaska. It warned residents to stay off beaches and avoid harbors and marinas due to strong currents and hazardous waves.
- Newsweek’s live coverage reported that tsunami waves up to 3.6 feet (≈110 cm) reached California, with advisories issued across the West Coast. The San Francisco Bay Area remained “dynamic and dangerous” even after the advisory was lifted, and authorities cautioned against swimming or boating due to fluctuating water levels and strong currents.
According to Wikipedia, in Russia, tsunami waves of 5–6 m (16–20 ft) were observed in parts of Kamchatka and neighboring islands.[23] Waves measuring 3–4 m (10–13 ft) were observed in Yelizovsky District in Kamchatka with a 5 m (16 ft) wave striking Severo-Kurilsk in the nearby Kuril Islands.
Global ripple effects
As reported by France 24 and others, The tsunami’s reach extended across the Pacific, with alerts issued in Chile, Colombia, and Peru, where ports were closed and coastal communities evacuated. Experts warned that tsunami waves can persist for hours, with unpredictable surges posing ongoing risks.
Illustration Credit: Wikipedia Creative Commons License.
English: Tsunami warnings (2025 Kamchatka Peninsula earthquake)
日本語: 津波警報・注意報の発表状況（2025年カムチャツカ半島地震）
Date: 30 July 2025
Source
https://www.jma.go.jp/bosai/map.html#5/40.914/144.053/&elem=warn&contents=tsunami
Author: 気象庁 (Japan Meteorological Agency)