M4.3 Earthquake 36 km NW of Tamarindo, Costa Rica — October 13, 2024
2024-10-13 22:05:36 UTC (2024-10-13) · approx. 4:05 PM UTC-6 local
On October 13, 2024 at 22:05 UTC, a magnitude 4.3 shallow crustal earthquake struck 36 km NW of Tamarindo, Costa Rica, at a depth of 18.8 km and coordinates 10.4931°, -86.1153°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
-86.1153°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.3 earthquake near Tamarindo, Costa Rica?
The magnitude 4.3 earthquake that struck 36 km NW of Tamarindo, Costa Rica on October 13, 2024 at 22:05 UTC had a depth of 18.8 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 4.3 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000nyhn). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, October 13, 2024). M4.3 Earthquake 36 km NW of Tamarindo, Costa Rica — October 13, 2024. Retrieved December 23, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000nyhn/