Liquefaction was also a significant issue Catastrophe , especially in the heavily damaged Damaging Marina District of San Francisco , but its effects Influence were also seen Perception_active in the East Bay , and near the shore of Monterey Bay , where a non-destructive tsunami was also observed Perception_active .

As the largest earthquake in California since the 1989 Loma Prieta event several years earlier , the mainshock caused Causation a non-destructive tsunami Catastrophe that quickly reached Arriving the coast , and eventually Alaska and Hawaii several hours later .