M 3.0 Earthquake Recorded 217 km SW of Yakutat, Alaska
According to the U.S. Census Bureau's American Community Survey (ACS) 5-year estimates, the CDC PLACES population-level health analysis, and the CMS Hospital Compare quality data, Areazine publishes editorial articles drawing on more than 19,000 U.S. city profiles. See our methodology for full source attribution and refresh cadence.
A minor 3.0 magnitude earthquake occurred southwest of Yakutat, Alaska, on March 18, 2026. The event was recorded at an intermediate depth of 60.1 km.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 4, 2026 and geographically references Alaska. Its severity classification of "low" 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 regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly USGS detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized USGS earthquake report is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.
For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (earthquake, seismic, usgs, Alaska) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.
What Happened
A minor earthquake with a magnitude of 3.0 ml occurred on March 18, 2026, at 20:17:05 UTC. The seismic event was centered approximately 217 km southwest of Yakutat, Alaska, and was recorded automatically by the USGS.
Location Details
The earthquake's epicenter was located at coordinates 58.27°N and 142.579°W. The seismic activity originated at a depth of 60.1 km. This depth is classified as intermediate, as it falls within the 20-70 km range, which can influence how seismic energy is distributed compared to shallower events.
Impact Assessment
There were no felt reports submitted to the USGS for this event. No tsunami advisory, watch, or warning was issued (tsunami: 0). Additionally, no specific alert level color was assigned to this earthquake, which is typical for routine seismic activity of this magnitude in remote offshore locations.
What You Should Know
Earthquakes with a magnitude between 2.5 and 3.9 are classified as "minor." While these events are often felt by people near the epicenter, they rarely cause structural damage. Residents in seismically active regions like Alaska should be aware that such events are routine geological occurrences. Aftershocks are a possibility following any seismic event, though they are generally smaller than the initial earthquake.
Source
Information and data for this report were provided by the USGS Earthquake Hazards Program.
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Frequently Asked Questions
Common questions about this USGS earthquake report.
What is this USGS earthquake report about? ▾
Which agency issued this alert? ▾
How severe is this alert? ▾
What area is affected? ▾
Where can I find more Earthquakes updates? ▾
Primary source data
EPA Outdoor Air Quality Data
Federal monitoring network — every measurement we report
AirNow (EPA / NOAA)
Real-time AQI for every monitored U.S. location
National Weather Service
Active watches, warnings, and advisories — NOAA
CDC Air Quality & Health
Health-impact reference behind every AQI category