M 4.2 Earthquake Off the Coast of Washington
Areazine synthesizes this NRCan earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.
A magnitude 4.2 earthquake occurred off the coast of Washington, at a depth of 10 km, causing no immediate reports of damage or tsunami.
What this NRCan earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 12, 2026 and geographically references Off the Coast of Washington. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Earthquakes - determines the monitoring protocol behind it, which shapes what follow-up action (checking for structural damage, watching for aftershocks, reviewing local building codes) is relevant and which agency holds authority over the assessment.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are earthquake, seismic, usgs, Washington.
What Happened
A magnitude 4.2 mb earthquake struck off the coast of Washington. The event occurred at 12:34:15 UTC on October 10, 2056 (converted from Unix timestamp 1775994515146), at a depth of 10 km.
Location Details
The earthquake was located off the coast of Washington, at coordinates 46.733 latitude and -129.1999 longitude. With a depth of 10 km, this is considered a shallow earthquake, which typically means it could produce more noticeable shaking near the epicenter compared to deeper events.
Impact Assessment
There were no felt reports available, and no tsunami advisory was issued, as indicated by the data.
What You Should Know
This light earthquake, with a magnitude of 4.2, may be felt by people nearby but rarely causes damage. It is possible to experience aftershocks, so residents should be aware of basic safety tips such as securing heavy objects and knowing how to drop, cover, and hold on during shaking.
Source
Information from USGS: https://earthquake.usgs.gov/earthquakes/eventpage/us6000sph8
Original source: USGS Official Notice ↗
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