Oceans have tides, and so does the solid earth. Could they have an effect on earthquake faults? Yes, say scientists, but that doesn’t necessarily mean they cause big quakes.
tides Archives - State of the Planet
A new study reveals the inner workings of tidally triggered earthquakes, and finds that even the slightest stress can set off a tremor.
Can shifting tides trigger earthquakes? Research done by Maya Tolstoy, a geophysicist at Lamont-Doherty Earth Observatory, suggests they do.