M4.0 Depth: 21.1 km

M4.0 Earthquake near HAIDA GWAII REGION (Canada)

UTC time: 2025-08-03 13:20:18 UTC Local time: —

About this earthquake

A magnitude M4.0 earthquake was recorded near HAIDA GWAII REGION (Canada) on August 3, 2025 at 13:20 UTC. The hypocenter lay relatively close to the surface at around 21 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by EMSC.

Details

Magnitude

M4.0

Depth

21.1 km

UTC time

2025-08-03 13:20:18 UTC

Local time

—

Country

Canada

Source

emsc

Coordinates

52.97330, -132.59910

Temperature

14.8°C

Map

Depth profile

Shallow

21.1 km

21.1 km — deeper than the regional average (5.8 km)

Regional average: 5.8 km

Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

Crow Lagoon

Distance: 247 km ·Pyroclastic cone ·Elevation: 335 m ·Canada
Tlevak Strait-Suemez Island

Distance: 257 km ·Volcanic field ·Elevation: 50 m ·United States
Milbanke Sound Group

Distance: 266 km ·Pyroclastic cone(s) ·Elevation: 233 m ·Canada
Behm Canal-Rudyerd Bay

Distance: 284 km ·Volcanic field ·Elevation: 500 m ·United States
Tseax River Cone

Distance: 339 km ·Pyroclastic cone ·Elevation: 612 m ·Last eruption: 1690 ·Canada
Duncan Canal

Distance: 393 km ·Volcanic field ·Elevation: 15 m ·United States

Historic earthquake map · Canada

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Country statistics · Canada

Country overview

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Stats (last 24h)

Global (24h)

599

Country (24h)