06/12/2024
Cal Poly Humboldt Prof. Discusses Why Today’s 7.0 Temblor Spawned A 6-8 Inch Tsunami In Crescent City
Lori Dengler said she wasn’t surprised that Thursday’s magnitude 7.0 earthquake only produced a tsunami that topped out at roughly 8 inches in Crescent City.
But, while Dengler, geology professor emeritus at Cal Poly Humboldt, is still going through the reports and is speaking with the media about today’s temblor, she said one of the outcomes might be a rethinking of how the U.S. approaches tsunami evacuations.
“The Tsunami National Warning Center in Palmer, Alaska has developed a template for if an earthquake happens here and it’s in this magnitude range, this is what we do,” Dengler, whose expertise is in geophysics, earthquake and tsunami hazards and hazard reduction, told Redwood Voice Community News on Thursday. “Because this earthquake was so relatively close to the coast and their preliminary magnitude was 7.3, it immediately triggered a tsunami warning from basically Santa Cruz to Central Oregon.”
This includes the San Francisco Bay Area, though most seismologists knew that the tsunami the quake would produce wouldn’t be large enough to get through the narrow mouth, Dengler said. Still, “we all must err on the margin of safety,” she noted.
https://www.redwoodvoice.org/cal-poly-humboldt-prof-discusses-why-todays-7-0-temblor-spawned-a-6-8-inch-tsunami-in-crescent-city/