On 12/04/2026 11:48 UTC a magnitude 4.1 earthquake occurred near off the coast of Washington, Canada. Hypocentre depth: 10 km. Coordinates: 46.787°, -129.096°.
Event technical data
| Magnitude | M 4.1 |
| Depth | 10 km |
| Coordinates | 46.7870°, -129.0960° |
| Time (UTC) | 2026-04-12 11:48 UTC |
| Location | off the coast of Washington |
Seismic context
Technical analysis: Canada’s main seismic zones are coastal British Columbia (Cascadia) and the St. Lawrence / Charlevoix region in the east.
Geotechnical relevance
For geotechnical engineering in Canada, monitoring local seismicity supports site-specific hazard assessment, liquefaction screening of saturated sands, seismic slope-stability checks and foundation design for dynamic loads. Each recorded event refines local ground-motion and attenuation models.
Official source
Earthquakes Canada (NRCan) — official national earthquake monitoring authority. Visit Earthquakes Canada (NRCan) →
Cross-checked with the global USGS catalogue.
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Seismic site studies, liquefaction assessment and foundation design.
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