M 3.3 Earthquake Near Salcha, 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 4 km south-southwest of Salcha, Alaska, at a shallow depth of 0.3 km, and was felt by 13 people.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on May 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 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 4 km SSW of Salcha, Alaska, at a depth of 0.3 km. The event occurred on July 28, 2026, at 09:48:19 UTC (converted from Unix timestamp).
Location Details
The earthquake's epicenter was located at coordinates 64.491 latitude and -146.938 longitude, near Salcha in Alaska. With a depth of 0.3 km, this is considered a shallow earthquake (less than 20 km), which can lead to more intense shaking at the surface compared to deeper events.
Impact Assessment
The earthquake was reported as felt by 13 people, with a Community Decimal Intensity (CDI) of 2.8. 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. Aftershocks may occur, and general safety tips include staying informed through official channels and knowing how to protect yourself during shaking, such as dropping to the ground if indoors.
Source
Information from USGS: [https://earthquake.usgs.gov/earthquakes/eventpage/aka2026itqnsh]
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 (1,079 characters here).
Similar severity timing
Same severity (low) notices issued closest in time to May 4, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.