How many wave surges are there going to be? When is the largest one going to happen? These sorts of details are hard to assess.” “We have a good picture of what it looks like, but the sounds echo in very different ways. “In a sense, it’s like what happens with sound in a Gothic cathedral,” said Lori Dengler, a professor of geology at Humboldt State University. The problem, experts say, is that scientific models that are good at projecting the trajectory of tsunamis are not so good at forecasting their strength. It was a false alarm - no blast of seawater arrived. The wave was on pace to strike California in four hours, and several cities, including San Francisco, alerted residents that danger could be headed their way. When a 7.9-magnitude earthquake shook the Gulf of Alaska on Tuesday, tsunami experts knew almost immediately that a turbulent surge of water had been set in motion and just how fast it was traveling. Paul Kuroda/Special to The Chronicle Show More Show Less
Paul Kuroda/Special to The Chronicle Show More Show Less 3 of3 Lucinda Dirksen and Lynn Lo, employees of Java Beach Cafe at Sunset Beach with customers Joe McCarville and Wes Nihei (sitting) after a 7.9 earthquake off the coast of Alaska triggered a tsunami watch across the coast of California on Tuesday, Jan. Paul Kuroda/Special to The Chronicle Show More Show Less 2 of3 Ben Anter and Clement Poty said the waves were radical but no different than other days after a 7.9 earthquake off the coast of Alaska triggered a tsunami watch across the coast of California on Tuesday, Jan. 1 of3 Lewis Samuels didn't hear about the warning or it's cancelation and headed out to surf at Sunset Beach on Tuesday, Jan.
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