M 3.0 Earthquake Recorded 24 km ENE of Koyukuk, Alaska
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A minor 3.0 magnitude earthquake occurred near Koyukuk, Alaska, on February 12, 2026. The event was recorded at a depth of 128 kilometers.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on February 19, 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 February 12, 2026, at 18:34 UTC (09:34 AM local time). The seismic event was centered approximately 24 kilometers east-northeast of Koyukuk, Alaska.
Location Details
The earthquake's epicenter was located at coordinates 64.929°N and 157.202°W. The event originated at a depth of 128 kilometers. This is classified as a deep earthquake, as it occurred more than 70 kilometers below the surface. Deep earthquakes are generally felt over a wider area but cause less intense shaking at the surface compared to shallow events.
Impact Assessment
There are currently no felt reports associated with this event in the USGS database. No tsunami advisories, watches, or warnings have been issued. Given the magnitude and significant depth of this event, no damage or injuries are expected.
What You Should Know
Earthquakes with magnitudes between 2.5 and 3.9 are classified as minor. While they are often felt by people near the epicenter, they rarely cause damage. Residents in the region should remain aware that aftershocks are a possibility following seismic activity, though they are typically smaller than the initial event.
Source
Information provided by the USGS Earthquake Hazards Program.
Original source: USGS Official Notice ↗
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