M 5.1 Earthquake 79 km NE of Casuguran, Philippines
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 struck 79 km northeast of Casuguran, Philippines, at a depth of 10 km on July 29, 2026, at 05:31 UTC.
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 Philippines. 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, Philippines.
What Happened
A magnitude 5.1 mww earthquake occurred 79 km NE of Casuguran, Philippines, at a depth of 10 km. The event took place at 05:31:03 UTC on July 29, 2026 (Unix timestamp 1785334263513). The earthquake was reviewed by the USGS.
Location Details
The epicenter was located at coordinates 15.2694 latitude, 122.8525 longitude. The 10 km depth classifies this as a shallow earthquake (less than 20 km).
Impact Assessment
The earthquake was felt by 3 people, with a maximum reported intensity (CDI) of 2.9. No tsunami advisory was issued (tsunami field = 0) and no alert level was assigned.
What You Should Know
This was a moderate earthquake (M 5.0-5.9 range) that can cause damage to poorly constructed buildings. Residents in the area should be prepared for possible aftershocks and follow standard earthquake safety procedures.
Source
https://earthquake.usgs.gov/earthquakes/eventpage/us6000tgnu (USGS)
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Frequently Asked Questions
Common questions about this USGS earthquake report.