![]() The first major surges came around 11 in the morning, capsizing one of his patrol boats. John Higgins, the harbormaster in Ventura, was among those frustrated by the incessant currents, trying to keep the harbor in order, while still fielding normal calls for service. ![]() The 2011 tsunami ended mostly within a day’s time. Lynett was also surprised at just how sustained the tsunami was behaving, lasting more than 24 hours into Sunday afternoon. This possibly explains why a tsunami advisory, which usually comes far earlier than arrival, was sent out to California officials just several hours before the event, he said. “We have not seen something like this, pretty much in the field of the study,” Lynett said. The waves generated beyond Tonga, however, may have come from the sonic boom of the blast itself, which Lynett said is a new phenomenon. The large waves seen in Tonga were probably from an underwater landslide after the volcano erupted. Experts were initially caught off-guard by the tsunami’s size and power across the Pacific Ocean. ![]() It’s rare for a volcanic eruption to be the culprit, Lynett said. Most tsunamis that strike California’s coast - 150 since 1880 - come from earthquakes, as in 2011. Heavy currents pulsed throughout the harbor, tearing away at docks, twisting steel piping of the harbor’s dredge like licorice, and floodwater flushed in and out the harbor at high speeds, transforming it into what Stagnaro described as whitewater rapids.Įxperts like Lynett were still surprised at how the tsunami was generated and how long the event lasted. ![]()
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