Moderate 5.6 Earthquake Near Tobelo, Indonesia
A moderate magnitude 5.6 earthquake struck 78 km NNE of Tobelo, Indonesia on Monday, September 14, 2026 at 10:58:03 AM UTC. This intermediate focal depth (162.2 km depth) released energy equivalent to approximately 3.8 kt of TNT. Here is the verified US telemetry, live epicenter map, and ground shaking assessment.
(78 km NNE of)Seismic Telemetry Specifications
5.6MWW
Moderate Seismic Class
162.2km
Upper Mantle
2.422° N, 128.170° E
GPS Coordinates
3.8 kt
TNT Equivalent Power
US
USGS Real-time Feed
Epicenter Location & Tectonic Fault Map
Is This Earthquake Dangerous?
A magnitude 5.6 event is classified as a moderate earthquake. Can cause slight to moderate damage to poorly constructed buildings. Felt widely across nearby communities within dozens of kilometers.
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 5.6 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 162.2 km (Upper Mantle / Wadati-Benioff Zone (70–300 km)), this rupture occurred originated within the descending oceanic plate inside the upper mantle. shaking radiates over a wider geographic area with attenuated high frequencies.
Aftershock Outlook & Secondary Tremors
Following an earthquake of magnitude 5.6, 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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