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A light magnitude 4.0 earthquake struck near MINDANAO, PHILIPPINES on Monday, August 31, 2026 at 10:05:07 AM UTC. This shallow crustal event (10.0 km depth) released energy equivalent to approximately 15 tons of TNT. Here is the verified PIVS telemetry, live epicenter map, and ground shaking assessment.
4.0M
Light Seismic Class
10.0km
Crustal Layer
5.600° N, 125.340° E
GPS Coordinates
15 tons
TNT Equivalent Power
PIVS
USGS Real-time Feed
A magnitude 4.0 event is classified as a light earthquake. Noticeable shaking of indoor objects and rattling doors/windows. Generally causes none to slight non-structural damage in older buildings.
The epicenter occurred in a remote or offshore marine sector with no major population centers situated within the primary ground shaking perimeter.
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Earthquake strength is measured on a logarithmic scale. Compare this event with the full seismic scale:
Because seismic scales are logarithmic, each whole integer increase represents:
This archipelago is situated along the Sunda and Philippine megathrust subduction zones within the Pacific Ring of Fire. The Indo-Australian Plate converges northeastward beneath the Eurasian and Sunda plates, producing massive tectonic friction, deep oceanic trenches, and widespread volcanic arcs.
Originating at a depth of 10.0 km (Earth's Crust (0–70 km)), this rupture occurred occurred within the brittle upper crust. shallow earthquakes produce the highest peak ground acceleration and the sharpest surface shaking.
Seismologists note that minor aftershocks remain common in the 24 to 48 hours following tremors of magnitude 4.0. According to statistical seismic models, there is roughly a 5% probability of a subsequent event of equal or greater strength occurring in the same fault zone. Residents in Philippines are advised to check living spaces for unsecured items.
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