M 3.3 Earthquake Near Susitna, 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 magnitude 3.3 earthquake occurred 19 km northwest of Susitna, Alaska, at an intermediate depth of 69.7 km, with only two people reporting it was felt.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 9, 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 magnitude 3.3 ml earthquake struck 19 km NW of Susitna, Alaska, at a depth of 69.7 km. The event occurred on January 1, 2027, at 10:31:55 UTC.
Location Details
The earthquake was centered at coordinates 61.642° N latitude and -150.815° W longitude, near Susitna in Alaska. This intermediate-depth earthquake, at 69.7 km, typically occurs in regions like subduction zones and may result in less surface shaking compared to shallower events under 20 km.
Impact Assessment
Two people reported feeling the earthquake. There is no tsunami advisory, and no alert level was issued.
What You Should Know
This minor earthquake, with a magnitude of 3.3, is often felt but rarely causes damage. It is possible for aftershocks to follow such events, so individuals in the area should follow general safety tips like securing furniture and being aware of emergency plans.
Source
Information from the United States Geological Survey (USGS): https://earthquake.usgs.gov/earthquakes/eventpage/aka2026gybiex
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this USGS earthquake report: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,087 characters here).
Similar severity timing
Same severity (low) notices issued closest in time to April 9, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.