M 3.0 Earthquake Recorded 24 km ENE of Koyukuk, Alaska
Areazine synthesizes this USGS earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.
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 April 6, 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 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, Alaska.
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 ↗
Related Earthquakes
All Earthquakes →Frequently Asked Questions
Common questions about this USGS earthquake report.