Major 7.7 Earthquake Near Pitaloza Arriba, Panama
A major magnitude 7.7 earthquake struck 12 km WSW of Pitaloza Arriba, Panama on Friday, October 9, 2026 at 05:56:06 PM UTC. This shallow crustal event (12.6 km depth) released energy equivalent to approximately 5.4 Mt of TNT. Here is the verified US telemetry, live epicenter map, and ground shaking assessment.
(12 km WSW of)Seismic Telemetry Specifications
7.7MWW
Major Seismic Class
12.6km
Crustal Layer
7.587° N, 80.769° W
GPS Coordinates
5.4 Mt
TNT Equivalent Power
US
USGS Real-time Feed
Epicenter Location & Tectonic Fault Map
Is This Earthquake Dangerous?
A magnitude 7.7 event is classified as a major earthquake. Can cause severe damage over large regions. Buildings may collapse or shift off foundations. Felt across hundreds of kilometers.
Estimated Shaking Across Nearby Communities
Considerable damage in ordinary buildings with partial collapse; heavy furniture overturned.
Difficult to stand. Damage negligible in good buildings; slight to moderate in ordinary structures.
Felt by all. Glassware broken, books knocked off shelves, minor plaster cracks.
Did You Feel This Earthquake?
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Your immediate response verifies shaking boundaries and helps ground-truth instrumental models.
What Does Magnitude 7.7 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?
Panama's seismicity is fundamentally governed by its tectonic setting: Complex tectonic deformation between the Panama Microplate, Nazca Plate to the south, and Caribbean Plate to the north. Major regional fault structures include Panama Deformed Belt, North Panama Deformed Belt, Balboa Transform Fault.
Originating at a depth of 12.6 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.
Aftershock Outlook & Secondary Tremors
Following an earthquake of magnitude 7.7, 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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