Earthquake early-warning systems
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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 B.C.

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 1864

1864/10/29

48.0N 123.0W

~5.5

Gulf Island region. Probably deep, no reported aftershocks. Felt strongly in the Lower Mainland and the Victoria area.

Earthquakes in British Columbia 1976

1976/05/16

48.8N 123.4W

5.3

Beneath Pender Island at a depth of 60 km, no aftershocks. Felt by most, and some damage (broken windows) in the Lower Mainland and southern Vancouver Island.

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