M 5.5 Earthquake Strikes Southern East Pacific Rise
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 5.5 mb earthquake occurred at the southern East Pacific Rise. The event was recorded at a depth of 10 km with no tsunami generated.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on August 5, 2026 and geographically references Southern East Pacific Rise. 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, East Pacific Rise.
What Happened
A magnitude 5.5 mb earthquake struck the southern East Pacific Rise at 12:49:23 UTC on July 10, 2026 (Unix time 1783841363556). The event was reviewed by the USGS and had a significance value of 465.
Location Details
The epicenter was located at latitude -54.6008, longitude -118.9732 in the southern East Pacific Rise. The depth of 10 km classifies this as a shallow earthquake (less than 20 km).
Impact Assessment
No felt reports were recorded. The tsunami flag was set to 0, indicating no tsunami advisory. No alert level was assigned.
What You Should Know
Earthquakes of this magnitude are classified as moderate. Aftershocks are possible following any seismic event.
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 (791 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to August 5, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.