M 4.1 Earthquake 211 km SSW of Hydaburg, 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 4.1 mb earthquake occurred 211 km SSW of Hydaburg, Alaska, at a depth of 10 km.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on August 7, 2026 and geographically references Alaska. Its severity classification of "medium" 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 4.1 mb earthquake struck 211 km SSW of Hydaburg, Alaska, at 12:28:03 UTC on 2026-07-07 (Unix timestamp 1786103283598). The event was reviewed by the USGS and assigned a significance value of 259.
Location Details
The earthquake was located at coordinates 53.3564 latitude, -133.5667 longitude, at a depth of 10 km. This depth is classified as shallow (less than 20 km). The epicenter was 211 km south-southwest of Hydaburg, Alaska.
Impact Assessment
The earthquake was felt by 1 person, with a maximum reported intensity (CDI) of 3.1 and instrumental intensity (MMI) of 2.417. The alert level was green. No tsunami was generated (tsunami flag: 0).
What You Should Know
Earthquakes of this magnitude (M 4.0-4.9) are classified as light and are often felt but rarely cause damage. Residents in the region should be aware of the possibility of aftershocks.
Source
https://earthquake.usgs.gov/earthquakes/eventpage/us6000tix7 (USGS)
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 (973 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to August 7, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.