in­ju­red peo­ple - to hide under - fur­ni­tu­re - ma­gni­tu­de - safe - safe­ty - bat­te­ries - plate - lay­ers - alarm - to shake - fire - flood - pri­ma­ry waves - to col­lap­se - seis­mo­graph - epi­cent­re - to boun­ce up and down - ca­ta­stro­phe - over­bur­den­ed phone lines - sca­red - con­ti­nen­tal drift - to watch out - Rich­ter scale - dan­ge­rous - seis­mo­graph