Earthquake Mercalli scale I-IIMost people don't notice the vibrations.No damage
Earthquake Mercalli scale III-IVVibration is strong and noticable, poorly built houses crumble a little.
Earthquake Mercalli scale V-VIIPets start to get nervous about the vibrations, poorly built houses have considerable damage, glass may start to shatter and walls start to get damaged,
Earthquake Mercalli scale VIII-IXChimneys collapse and most houses collapse
Earthquake Mercalli scale X-XIIMost Houses Collapse, rivers may change their course, the ground cracks, everything is severely damaged.