M 4.2 Light Earthquake Recorded Near Naalehu, Hawaii
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A magnitude 4.2 earthquake occurred 22 kilometers east-southeast of Naalehu, Hawaii, at a shallow depth of 16.4 kilometers on Sunday night.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on March 3, 2026 and geographically references Hawaii. 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 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, Hawaii) 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 light earthquake with a magnitude of 4.2 (md) was recorded on March 2, 2026, at 08:39:47 UTC. The event occurred approximately 22 kilometers (13.7 miles) east-southeast of Naalehu, Hawaii. For local residents, the tremor took place at 10:39 PM Hawaii Standard Time on Sunday, March 1.
Location Details
The seismic event was centered at coordinates 19.017°N and 155.371°W. The earthquake originated at a depth of 16.38 kilometers (10.2 miles). This is considered a shallow earthquake; shallow seismic events (those occurring at depths less than 20km) are typically felt more distinctly at the surface than deeper events of the same magnitude.
Impact Assessment
Based on the current data from the USGS, there is no tsunami advisory, watch, or warning in effect for this event. No specific alert level color has been issued, and there are no immediate reports of damage or injuries associated with this magnitude 4.2 event.
What You Should Know
Earthquakes of this magnitude are classified as "light." While they are often felt by people near the epicenter and can cause noticeable shaking, they rarely result in significant structural damage. Residents in the southern region of the Big Island may experience minor aftershocks, which are common following an event of this size.
Source
Information for this report was provided by the USGS Earthquake Hazards Program.
Original source: USGS Official Notice ↗
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