BE INFORMED, BE WARNED, BE PREPARED: BEFORE, DURING and AFTER an EARTHQUAKE
WHAT CAUSES EARTHQUAKES
INTENSITY & MAGNITUDE
MERCALLI SCALE
RICHTER SCALE
WHERE DO EARTHQUAKES OCCUR?
MEGATHRUST EARTHQUAKE?
WHAT ARE THE EFFECTS?
MINIMIZING THE RISK!
BEING PREPARED
1990/04/14
48.8N 122.2W
4.9
Northern Washington. Shallow, many aftershocks. Felt by many in the Lower Mainland.
Copyright: Alex Makarow © 1998 - Revised 04/11/00