Overview

• At about 6:20 a.m. local time on August 3, a magnitude 4.0 earthquake struck 15 kilometres below the sea surface just west of Haida Gwaii.
• Earthquakes Canada reported no damage or tsunami threat from the event due to its moderate strength and depth.
• Earlier this week, a tsunami advisory triggered by an 8.8 magnitude quake off Russia was cancelled after wave monitoring showed no danger to B.C.’s coast.
• B.C.’s emergency management minister said the recent tremors underscore the need for ongoing public preparedness and robust alert protocols.
• Frequent moderate earthquakes along the province’s coastal margin, driven by nearby tectonic faults, continue to test Canada’s seismic monitoring and warning systems.