Earthquake early-warning systems
No Navigation? Click here!The longest warning you will have no ifs, ands or buts...

The initial warning that permits you to take evasive action

The network warning that extends the response time.
BE INFORMED, BE WARNED, BE PREPARED: BEFORE, DURING and AFTER an EARTHQUAKE
EARTHQUAKES
in BC

WHAT CAUSES EARTHQUAKES

INTENSITY & MAGNITUDE

MERCALLI SCALE

RICHTER SCALE

WHERE DO
EARTHQUAKES OCCUR?

MEGATHRUST EARTHQUAKE?

WHAT ARE THE EFFECTS?

MINIMIZING THE RISK!

BEING PREPARED

Earthquakes in British Columbia 1975

1975/11/30

49.2N 123.6W

4.9

Beneath the Strait of Georgia. Shallow, many aftershocks. Felt by many in the Lower Mainland and on Vancouver Island.

Copyright: Alex Makarow 1998 - Revised 04/11/00