An 8.8-magnitude earthquake in Russia caused tsunami alerts in cities like Los Angeles, San Diego, and San Francisco. In Japan, nearly 2 million people were evacuated. The waves reached Hawaii, California, and Washington, highlighting the real and catastrophic risk of tsunamis. Tsunamis that cause damage near the source happen twice a year, while distant events occur twice a decade. The Pacific Northwest faces a significant threat from the Cascadia Subduction Zone, which could trigger a massive earthquake and subsequent tsunami, with flood risk potentially underestimated in the region.
The waves followed, reaching Hawaii, California, and parts of Washington. It was one of the strongest earthquakes ever recorded and though early reports show little damage, the event serves as a powerful reminder: Tsunami risk isn't just theoretical.
One of the most dangerous and well-known tsunami threats in the U.S. lies in the Pacific Northwest, which sits atop the Cascadia Subduction Zone.
Tsunamis are rare, but when they strike, the consequences can be catastrophic, especially for coastal communities. Tsunamis that cause damage or fatalities near the source occur about twice a year.
Recent studies suggest that tsunami flood risk from this specific event may be severely underestimated in parts of the Pacific Northwest.
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