M 5.1 Earthquake Strikes 62 km East of ‘Ohonua, 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 5.1 earthquake occurred 62 km east of ‘Ohonua, Tonga, at a depth of 35 km, as reported by the USGS.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on May 12, 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 5.1 mb earthquake struck 62 km east of ‘Ohonua, Tonga, at a depth of 35 km. The event occurred on January 1, 2027, at 07:00:28 UTC (converted from the Unix timestamp 1778622828536).
Location Details
The earthquake was centered at coordinates 21.2349° S latitude and 174.3689° W longitude, approximately 62 km east of ‘Ohonua in Tonga. With a depth of 35 km, this is considered an intermediate-depth earthquake, which typically occurs in subduction zones and may be associated with tectonic plate interactions.
Impact Assessment
No felt reports were available for this event. There was no tsunami advisory issued, as indicated by the data.
What You Should Know
This moderate earthquake, with a magnitude of 5.1, can cause damage to poorly constructed buildings in the affected area. It is possible for aftershocks to occur following such events; residents should follow standard safety tips, such as dropping to the ground, covering their head and neck, and holding onto something stable during shaking.
Source
Information is sourced from the USGS. For more details, visit: https://earthquake.usgs.gov/earthquakes/eventpage/us6000sxaj
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 (1,178 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to May 12, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.