In 2003 Stanford University predicted that if the Hilina slump was to slide to the bottom of the mountain it would create a “Mega Tsunami” of biblical proportions, and Stanford estimated the waves would be 100 feet high by the time they hit L.A.. 14 slides have been mapped out around the Hawaiian islands that have occurred much the same way. The Hilina Slump dropped 3.5 inches overnight in 2002, and would not have been detected if it were not for GPS.
It is estimated it would take 4 hours for the waves to hit Southern California. There will simply be no escape from the big cities unless you are a long distance runner. Most of the Pacific rim would be erased. So…..that is why earthquakes and inflations, even small ones, are a big deal when it comes to Kilauea
In 1868 and 1975 this region moved abruptly several to tens of meters during major earthquakes (M7.9 and M7.2, respectively) with attendant destructive tsunamis. The tsunami generated in both 1868 and 1975 resulted in extensive damage and fatalities on Hawaii, and the 1975 tsunami produced minor damage in California. The possibility exists that future detachments of this type, or far more extensive and catastrophic debris avalanches, will occur in the future. The entire south flank of the island shows evidence for slumping and collapse. This proto-slump has now broken into two slumps that are buttressed in the middle by Loihi Seamount. These slumps are the Punaluu slump west of Loihi and the Hilina slump east of Loihi. The presence of debris-avalanche deposits along adjacent island flanks indicates the potential for catastrophic failure of such unstable slopes. The continuous creep and incremental movement associated with the large earthquakes are apparently driven by both magmatic processes within the active volcanoes and gravity. However, the mechanisms by which these slowly creeping slumps fail catastrophically are unknown, as are the precursors to such activity
30-year reign of Kilauea
The lava that flows from the eruption each day is enough, on average, to fill 100 to 200 Olympic-size swimming pools.
When large pieces of the Hawaiian Islands slip into the ocean, the entire Pacific Rim is smashed by the resulting tsunamis. In New South Wales, Australia, there is geological evidence that part of this coast was scoured by a Hawaiigenerated tsunami 100,000 years ago. The postulated wave started out about 375-meters (½-mile) high in Hawaii. By the time is reached Australia, it was about 40 meters high.