Scientists are sounding the alarm over the potential for a catastrophic mega tsunami that could impact parts of the United States, particularly along the Pacific Northwest, Alaska, and Hawaii. The primary area of concern is the Cascadia subduction zone, a major fault line stretching from Northern California to Vancouver Island. Experts warn that a powerful earthquake in this region could trigger massive waves and cause the ground to sink significantly, placing coastal communities at serious risk.

A new Virginia Tech study has revealed that a major quake along the Cascadia zone could lead to land subsiding by as much as 6.5 feet. This kind of geological shift would drastically expand coastal flood zones and significantly heighten the danger of widespread flooding. Researchers estimate there is roughly a 15% chance of a magnitude 8.0 or greater earthquake occurring in this zone within the next 50 years. If such a quake strikes, it could unleash a cascade of aftershocks, tsunamis, and prolonged infrastructure damage.

Beyond the Pacific Northwest, Alaska and Hawaii face their own unique tsunami threats. In Alaska, scientists are concerned that melting glaciers could increase the risk of landslides into bodies of water—an event that can produce sudden and destructive tsunamis. Meanwhile, Hawaii’s volcanic terrain presents another threat. History shows that around 100,000 years ago, a volcanic collapse triggered a wave over 1,000 feet high that struck the island of Lanai. With active volcanoes like Mauna Loa and Kilauea, the threat remains ongoing.

All of these regions lie within the Pacific Ring of Fire, an area notorious for its geological volatility, including frequent earthquakes and volcanic eruptions. Although scientists cannot predict exactly when the next disaster will strike, they emphasize that preparedness is crucial. Early warning systems, public education, and disaster planning can significantly reduce the loss of life and property.

Residents in vulnerable areas are urged to know their evacuation routes, sign up for emergency alerts, and create a detailed emergency plan. With the growing awareness and advancing research, scientists hope communities will take proactive steps now—before the next major seismic event sends shockwaves through the Pacific.