UNPREPARED FOR THE WORST
The level of earthquake readiness does not always match the risks
Illustration by Rich Morgan
Richter scale2,0–2,93,0–3,94,0–5,96,0–6,97,0 and higher
Ground effectsHardly felt, but detectable by seismometer.Vibrations akin to the passing of a big truck.Slight damage; windows and chimneys break.Major damage in old or substandard buildings.Many buildings shift off their foundations.