Current Tsunami Activity
Tsunamis are series of ocean waves generated by large-scale disturbances such as undersea earthquakes, volcanic eruptions, or submarine landslides. Coastal communities in the Pacific Northwest, Hawaii, and Alaska face the greatest tsunami risk in the United States.
Showing active tsunami events worldwide
Open full-screen map →Notable Recent Events
Recent tsunami events that have impacted the United States, ranked by severity and population exposure.
Honolulu, HI
March 18, 2014
Tsunami Warning (Hawaiian Islands) - 8.6 Unimak Island Region, Alaska - PTE14
Impact: Impact data not available
Honolulu, HI
July 9, 2012
Exercise - Operation Restore Chianti
Impact: Impact data not available
Cities with Highest Tsunami Risk
| Rank | City | Risk Score |
|---|---|---|
| 1 | Honolulu, HI | 7 |
| 2 | San Francisco, CA | 5 |
| 3 | Los Angeles, CA | 3 |
| 4 | San Diego, CA | 3 |
| 5 | Seattle, WA | 3 |
| 6 | Long Beach, CA | 3 |
| 7 | Oakland, CA | 3 |
| 8 | San Jose, CA | 1 |
| 9 | New York, NY | 0 |
| 10 | Chicago, IL | 0 |
| 11 | Houston, TX | 0 |
| 12 | Phoenix, AZ | 0 |
| 13 | Philadelphia, PA | 0 |
| 14 | San Antonio, TX | 0 |
| 15 | Dallas, TX | 0 |
Stay Informed
Tsunamis can strike with little warning. The DisasterAWARE platform provides real-time monitoring and alerts so you can take action before, during, and after tsunami events.
- ✓Real-time tsunami detection and alerts
- ✓Impact analysis for your locations and assets
- ✓Historical data and trend analysis
- ✓Customizable notification thresholds
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