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A minor magnitude 3.0 earthquake struck near KALIMANTAN, INDONESIA on Friday, August 28, 2026 at 11:38:57 AM UTC. This shallow crustal event (13.0 km depth) released energy equivalent to approximately 477 kg of TNT. Here is the verified BMKG telemetry, live epicenter map, and ground shaking assessment.
3.0M
Minor Seismic Class
13.0km
Crustal Layer
3.920° N, 116.190° E
GPS Coordinates
477 kg
TNT Equivalent Power
BMKG
USGS Real-time Feed
A magnitude 3.0 event is classified as a minor earthquake. Often felt by people indoors, especially on upper floors. Hanging objects may swing slightly; structural damage is extremely rare.
Felt by almost no one except under extraordinarily favorable conditions.
Felt by almost no one except under extraordinarily favorable conditions.
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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 13.0 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.
Micro-tremors and minor events of this scale are part of ongoing background tectonic relaxation. While isolated micro-aftershocks may occur, the likelihood of a damaging secondary event remains statistically low under normal seismic conditions.
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