M4.4 Earthquake 8 km SSE of Guarumal, Panama — October 16, 2026
2026-10-16 05:22:28 UTC (2 hours ago) · approx. 12:22 AM UTC-5 local
On October 16, 2026 at 05:22 UTC, a magnitude 4.4 shallow crustal earthquake struck 8 km SSE of Guarumal, Panama, at a depth of 10.0 km and coordinates 7.7245°, -81.2351°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
This earthquake is part of an ongoing aftershock sequence following the magnitude 6.1 mainshock that occurred 3 days ago 17 km W of Río Grande, Panama. Since the mainshock, the USGS has recorded 17 aftershocks in this area. Aftershock activity is expected to continue for weeks to months as stresses on surrounding faults redistribute.
Earthquake Details
-81.2351°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake near Guarumal, Panama?
The magnitude 4.4 earthquake that struck 8 km SSE of Guarumal, Panama on October 16, 2026 at 05:22 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.4 earthquakes can continue for several days and gradually diminish over time.
Is this the same earthquake as the M6.1 one earlier?
No. This magnitude 4.4 earthquake is an aftershock of the larger magnitude 6.1 mainshock that occurred earlier 17 km W of Río Grande, Panama. Aftershocks are smaller earthquakes triggered by stress changes from the mainshock.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000u2n7). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 16, 2026). M4.4 Earthquake 8 km SSE of Guarumal, Panama — October 16, 2026. Retrieved October 16, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000u2n7/