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Tsunami Watch 2025: Hawaii & Russia Quake Alert

  • Writer: Abhinand PS
    Abhinand PS
  • Jul 21
  • 3 min read

Tsunami Watch 2025: Russia’s Kamchatka Quake & Hawaii Update

On July 20, 2025, a magnitude 7.4 earthquake struck off Russia's Kamchatka Peninsula, triggering a temporary tsunami watch across the Pacific—including Hawaii—before all alerts were officially canceled. Here's everything you need to know.


Tsunami warning sign with red text and wave icon on a beach. Ocean waves in the background under a clear blue sky.

🧭 What Happened: Kamchatka Quakes

  • Quake Details: A 7.4 M earthquake occurred at ~20 km depth, ~144 km east of Petropavlovsk‑Kamchatsky, following multiple strong aftershocks (6.7, 5.0 M) The Sun+12Reuters+12CBS News+12.

  • Warning Issued: The Pacific Tsunami Warning Center (PTWC) and U.S. National Tsunami Warning Center issued watches for Kamchatka, Alaska, and Hawaii AP News+14People.com+14CBS News+14.

  • Risk Estimate: PTWC estimated maximum tsunami heights—up to 60 cm along Russia, 40 cm at Ust‑Kamchatka, and 15 cm at Petropavlovsk‑Kamchatsky People.com+1ABC News+1.

🌊 Hawaii’s Tsunami Watch

Soon after the alert, Hawaii’s emergency management issued a tsunami watch at 9:03 p.m. HST, warning residents to prepare Hindustan Times+3People.com+3https://www.hawaiinewsnow.com+3.

By 9:42 p.m., the PTWC officially canceled the watch—no waves or tsunami confirmed The Times of India+15People.com+15Al Jazeera+15.

⚠️ Current Advisory Status

According to US NOAA records:

📊 Quick Alert Summary

Location

Quake Mag.

Watch Issued/Canceled

Current Status

Kamchatka (Russia)

7.4 M

Watch → Canceled

No current tsunami alert

Hawaii, Alaska, Guam

—

Watch → Canceled

Safe; minor currents possible

Pacific Coasts

—

Watch → Canceled

Monitoring continues

🛡️ Expert Advice & What to Do

1. Stay Informed

Monitor PTWC and NTWC dashboards for real-time updates The Times of India+14Tsunami.gov+14Indiatimes+14Wikipedia+10Wikipedia+10Wikipedia+10.

2. Know the Alerts

3. Prepare Now

Identify your nearest evacuation route to high ground or inland areas.

4. After the Watch

Even if no tsunami arrives, avoid beaches and harbors for 24–48 hours—dangerous currents can persist.

🧠 Why It Matters

  • Kamchatka is part of the Pacific "Ring of Fire", prone to mega-quakes—past events include the 1952 9.0 M quake triggering 9-meter waves in Hawaii CBS News+1Indiatimes+1.

  • Rapid global communications by USGS, PTWC, and NTWC ensure timely alerts and public safety.

  • Public awareness and preparedness reduce loss of life—even without visible waves.

🔎 FAQ

Q: Is there a tsunami warning for Hawaii now?A: No. A temporary watch was issued and later canceled on July 20, 2025, at approximately 9:42 p.m. HST People.comTsunami.gov.

Q: Did Japan or Alaska get alerts?A: Yes, watches were briefly issued for Alaska, Canada, Guam, and American Samoa—all subsequently lifted The SunPeople.comCBS NewsTsunami.gov.

Q: Will there be aftershocks?A: Likely. Kamchatka often experiences significant aftershocks; local and NOAA seismologists continue to monitor closely huffingtonpost.esCBS NewsReuters.

Q: How are tsunami sizes forecasted?A: PTWC uses seismic data, ocean buoys (DART), and tidal gauges to model wave heights before issuing alerts WikipediaTsunami.gov.

Q: What is the best evacuation practice?A: In coastal zones, follow local emergency protocols, move to safe inland areas, away from the shoreline—even if no waves arrive.

📚 Next Steps (Internal & External Resources)

Stay alert, stay prepared—and always respect tsunami alerts. Bookmark this guide for trusted, up-to-date safety steps during seismic events.

Sources


 
 
 

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