A small eruption of Cumbre Vieja Volcano on that island will be sufficient to cause a massive slide of unstable ground into the ocean. The east coast of the U.S., northern coasts of South America and much of the Carribean will have about an eight to nine hour evacuation window before the arrival of the tsunami with predicted waves of 10-25 meters (roughly 30 to 75 feet).
Not a pleasant prospect.
That could ruin your whole day!...................