🌍 Earthquake & Tsunami Overview
A powerful 8.7 magnitude earthquake, later revised to 8.8, occurred off Russia’s Kamchatka Peninsula, around 125–126 km southeast of Petropavlovsk‑Kamchatsky, at a very shallow depth of ~19 km, amplifying surface impact KSL+14Reuters+14The Economic Times+14.
Kamchatka’s governor described it as “the strongest in decades.” While no deaths have been reported, a kindergarten was damaged and minor injuries occurred during evacuations KSL+4Reuters+4Indiatimes+4.
⚠️ Tsunami Waves & Alerts
Tsunami waves reaching up to 3–4 meters (10–13 feet) were measured along Kamchatka’s coast, and the small town of Severo‑Kurilsk experienced flooding as evacuation orders were carried outKSL+6Reuters+6Indiatimes+6.
In Japan, the Japan Meteorological Agency (JMA) issued warnings for eastern Hokkaido, forecasting waves up to 3 meters, prompting coastal evacuations. The first waves were expected between ~1:00–2:30 UTCABC+7The Wall Street Journal+7Indiatimes+7.
The U.S. National Tsunami Warning Center and Pacific Tsunami Warning Center issued alerts covering Hawaii, Alaska (Aleutians and panhandle), California, Oregon, Washington, plus Guam, Micronesia, and other Pacific island nations. Coastal evacuations were ordered in Honolulu, HawaiiABC+2People.com+2Indiatimes+2.
🔍 Additional Impacts & Aftershocks
Shaking was noticeable in major population centers: in Petropavlovsk‑Kamchatsky, residents ran into the streets barefoot as furniture toppled and power and phone services failed www.ndtv.com+7ABC+7KSL+7.
Multiple significant aftershocks followed, registering magnitudes between 5.4 and 6.9 People.com.
Officials have stated stronger aftershocks are not expected in the near term, and there are no signs of broader escalation ReutersKSL.
✅ Summary Table
| Region | Tsunami Risk | Actions Taken |
|---|---|---|
| Kamchatka, Russia | 3–4 m waves | Evacuations in Severo‑Kurilsk; damage reported |
| Japan (Hokkaido coast) | Up to ~3 m waves | JMA issued evacuations along Pacific coast |
| Pacific region (U.S., Guam) | Advisories/watches | Alerts/U.S. West Coast & Hawaii evacuations; Guam on watch |
| Pacific island nations | Watch status | High alert issued across Micronesia, etc. |
📌 Bottom Line
The earthquake occurred on July 30, 2025, with an upgraded magnitude of 8.8.
It triggered widespread tsunami alerts and evacuations across the Pacific Ocean, including Japan, Russia, Hawaii, Alaska, U.S. West Coast, Guam, and Micronesia.
So far, no fatalities, but structural damage and minor injuries have been reported.
Authorities continue to monitor aftershocks and sea levels closely, urging residents to stay away from coastlines.
Let me know if you’d like updates on aftershocks, more regional impacts, or official advisories from any specific local agencies.
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