M 5.2 Earthquake South of 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 5.2 mb earthquake struck south of Tonga 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 10, 2026 and geographically references South of 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 M 5.2 mb earthquake occurred south of Tonga at 12:44:08 UTC on July 27, 2026 (Unix time 1785141848090). The event was located at latitude -24.6958, longitude -175.244 with a depth of 10 km.
Location Details
The earthquake was centered south of Tonga. Coordinates are latitude -24.6958, longitude -175.244. The 10 km depth classifies it as shallow (< 20 km).
Impact Assessment
No felt reports, tsunami advisory, or alert level information are available in the source data. Tsunami status is listed as 0.
What You Should Know
This was a moderate earthquake. Shallow events can be felt over wider areas, though no damage reports are included in the data.
Source
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 (773 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to August 10, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.