Strong 6.5 Earthquake Near Teluknaga, Indonesia
A strong magnitude 6.5 earthquake struck 126 km NNE of Teluknaga, Indonesia on Friday, September 11, 2026 at 09:23:55 PM UTC. This deep-focus event (372.0 km depth) released energy equivalent to approximately 85 kt of TNT. Here is the verified US telemetry, live epicenter map, and ground shaking assessment.
(126 km NNE of)Seismic Telemetry Specifications
6.5MWW
Strong Seismic Class
372.0km
Deep Mantle
4.983° S, 106.874° E
GPS Coordinates
85 kt
TNT Equivalent Power
US
USGS Real-time Feed
Epicenter Location & Tectonic Fault Map
Is This Earthquake Dangerous?
A magnitude 6.5 event is classified as a strong earthquake. Can be destructive in populated areas up to ~160 km from the epicenter. Well-built structures withstand shaking, but unreinforced masonry may suffer serious damage.
Estimated Shaking Across Nearby Communities
Felt by many indoors. Dishes, windows rattle; walls make creaking sound.
Felt by many indoors. Dishes, windows rattle; walls make creaking sound.
Did You Feel This Earthquake?
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What Does Magnitude 6.5 Mean?
Earthquake strength is measured on a logarithmic scale. Compare this event with the full seismic scale:
Logarithmic Energy Multiplier
Because seismic scales are logarithmic, each whole integer increase represents:
Why Did This Earthquake Happen?
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 372.0 km (Deep Mantle Transition Zone (>300 km)), this rupture occurred generated deep within earth's mantle under immense hydrostatic pressure. surface shaking is significantly damped despite large energy release.
Aftershock Outlook & Secondary Tremors
Following an earthquake of magnitude 6.5, an active aftershock sequence is expected over the coming days and weeks. In accordance with Omori's Law and Båth's Law of seismology, secondary tremors decrease in frequency over time, with the largest expected aftershock historically averaging approximately 1.0 to 1.2 magnitude units below the mainshock. Local residents should remain vigilant for secondary shaking, particularly when inspecting older structures or unreinforced masonry.
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Earthquake Safety Action Plan
Complete Safety Guide →- •Drop, Cover, and Hold On: Take cover beneath a sturdy table or desk.
- •Stay indoors away from exterior glass windows and heavy unanchored fixtures.
- •If outdoors, move into an open area away from power lines and building facades.
- •Inspect utilities for damaged gas lines, water leaks, or electrical hazards.
- •Expect Aftershocks: Secondary tremors frequently strike after significant events.
- •Avoid damaged structures and listen to official emergency broadcasts.
- •Maintain a 72-hour emergency go-bag with water, food, and first aid.
- •Anchor heavy furniture, water heaters, and appliances to structural studs.
- •Establish a family emergency communication protocol and meeting point.
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