<span>Distant - tsunami travels thousands of kilometers before reaching shore
Local - forms near the coast, strikes with little warning</span>
Because seamounts rests on the pacific plate and they also move because of resting on the Hawaiian hotspot drift.
They were angry at the use of the new machines.
Luddites were enraged that they have spent years learning their craft and developing skills in weaving, sewing, etc. The new machines could do this quicker and with less mistakes and were beginning to replace people who spent all their live to learn this trade. So they destroyed the machines and burned factories.
Hope this helped. Have a great day!