M 5.3 Earthquake Hits 101 km SSE of Hihifo, Tonga
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 5.3 earthquake occurred 101 km SSE of Hihifo, Tonga, at a shallow depth of 10 km on September 7, 2026, at 12:15:03 UTC.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on May 10, 2026 and geographically references Tonga. 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, Tonga.
What Happened
A magnitude 5.3 mb earthquake struck 101 km SSE of Hihifo, Tonga, on September 7, 2026, at 12:15:03 UTC. The event occurred at a depth of 10 km.
Location Details
The earthquake was centered at coordinates 16.8014° S latitude and 173.4234° W longitude, near Hihifo in Tonga. At a shallow depth of 10 km, this earthquake is closer to the Earth's surface, potentially increasing the likelihood of it being felt in nearby areas.
Impact Assessment
There are no felt reports available for this event, and no tsunami advisory has been issued, as indicated by the data.
What You Should Know
This moderate earthquake, with a magnitude of 5.3, can cause damage to poorly constructed buildings in affected areas. It is possible for aftershocks to occur, and individuals in the region should follow general safety tips such as staying informed through official channels and knowing how to protect themselves during shaking.
Source
Information provided by the United States Geological Survey (USGS). For more details, visit: [https://earthquake.usgs.gov/earthquakes/eventpage/us6000swr8]
Original source: USGS Official Notice ↗
Related Earthquakes
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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 (1,125 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to May 10, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.