How Far Inland Can A Tsunami Travel In San Francisco

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Surf's Up... In the Streets? Not Likely: A Totally Un-Dramatic Look at Tsunamis in San Francisco

Ah, San Francisco. City of sourdough, cable cars, and... killer tsunami waves crashing through the Golden Gate Bridge? Hold on there, Hollywood! While San Francisco takes pride in many things (and rightfully so!), giant tsunami threats aren't really one of them.

How Far Inland Can A Tsunami Travel In San Francisco
How Far Inland Can A Tsunami Travel In San Francisco

The Fault in Our Fault Lines (But Not the Scary Kind)

The culprit behind most tsunamis is a subduction zone, where one tectonic plate dives under another. This dramatic earth-pizza-sliding action displaces a huge amount of water, sending a surge across the ocean. But San Francisco sits on a different kind of fault, a strike-slip fault (think two plates grinding past each other). So, while the Bay Area might shake things up with the occasional earthquake, it's not the prime suspect for whipping the Pacific into a frenzy.

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Tsunami Trivia: Fun Facts That Won't Keep You Up at Night

  • The 1906 earthquake, the "Big One" that rocked San Francisco, only managed a measly 4-inch wave. That's about the height of a well-made sandwich. So much for dramatic exits, eh?
  • The Golden Gate, despite its majestic presence in disaster movies, would likely slow down a tsunami wave a bit, at least buying some precious evacuation time.
  • The real tsunami threats for San Francisco come from far, far away - think Alaska or Japan. Thankfully, there's usually a decent amount of warning time for these distant watery visitors.

Bottom line: San Francisco has enough to worry about (finding good parking, anyone?), but a monstrous tsunami wave crashing through the streets isn't one of them.

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How To Deal With Your Newly Acquired Tsunami Peace of Mind

Surfing the internet for tsunami threats can be stressful. Here are some quick tips to channel your newfound knowledge:

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How to: Use your newfound tsunami chill to impress your friends at trivia night.Answer: Strike-slip faults vs subduction zones! That's the golden ticket, baby!

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How to: Celebrate by taking a relaxing walk along the coast.
Answer: Just remember to stay out of the reach of regular high tides, because those can be sneaker waves in disguise.

How to: Channel your inner MacGyver and invent a tsunami-powered burrito delivery system. (Just kidding... probably.)
Answer: Maybe stick to perfecting your guacamole recipe instead.

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How to: Sleep soundly at night knowing a giant wave isn't going to steal your bedsheets.
Answer: Sweet dreams!

How to: Be prepared in case of any disaster, tsunami or not.
Answer: Having a plan and a well-stocked emergency kit is always a good idea. Check your local resources for specific recommendations.

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