M5.0 earthquake near Leones Arriba, Panama

A magnitude 5.0 earthquake struck 4 km (2 mi) east-northeast of Leones Arriba, Panama on Friday, October 9, 2026 at 20:41 UTC, at a depth of 10 km (6 mi), according to the U.S. Geological Survey. Shallow quakes like this one shake the surface hardest. The nearest city of a million or more people is Panama City, Panama, about 216 km (134 mi) away.
Why here?
This earthquake struck about 57 km (35 mi) from the boundary between the Cocos and Nazca plates. Most earthquakes happen along plate boundaries like this one, where the pieces of Earth’s outer shell collide, pull apart or grind past each other. Stress builds up over years until the rock suddenly slips.
The red lines on the map are plate boundaries.
How strong was it?
Magnitude is logarithmic: each whole step releases about 32 times more energy. This magnitude 5.0 released roughly the energy of 477 tons of TNT. That is about 32 times the energy of a magnitude 4.0, a quake people nearby feel but that rarely causes damage. The strongest earthquake ever recorded, magnitude 9.5 in Chile in 1960, released about 5,600,000 times more than this one.
Aftershocks
In the first 16 days after it, USGS recorded 57 smaller earthquakes of magnitude 2.5 or more within 100 km (62 mi). The largest was a magnitude 4.9 on October 9 at 20:54 UTC.
- M4.9 · 14 km NW of Río Grande, PanamaOct 9 20:54 UTC
- M4.9 · 13 km W of Río Grande, PanamaOct 9 21:05 UTC
- M4.9 · 9 km SW of Río Grande, PanamaOct 9 23:23 UTC
- M4.9 · 10 km SSW of Cañas, PanamaOct 10 06:18 UTC
- M4.9 · 19 km W of Río Grande, PanamaOct 12 23:36 UTC
A stronger magnitude 6.1 followed on October 12 at 23:20 UTC, about 43 km (27 mi) away, so this one is now considered a foreshock.
Outside the United States, USGS mainly lists quakes of about magnitude 4 and up, so smaller aftershocks there are undercounted.
Earthquake history here
Before this earthquake, USGS had recorded 108 earthquakes of magnitude 6 or larger within 300 km (186 mi) since 1900. The strongest:
- M7.7 · 12 km WSW of Pitaloza Arriba, PanamaOctober 9, 2026
- M7.5 · 44 km ESE of Burica, PanamaJuly 18, 1934
- M7.5 · 70 km WSW of Golfito, Costa RicaDecember 5, 1941
Official details, updates and the shaking map: USGS event page.
See every earthquake on October 9, 2026 or earthquakes by day.
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