M4.6 Earthquake 45 km WNW of Tamarindo, Costa Rica — October 11, 2024
2024-10-11 20:40:28 UTC (2024-10-11) · approx. 2:40 PM UTC-6 local
On October 11, 2024 at 20:40 UTC, a magnitude 4.6 shallow crustal earthquake struck 45 km WNW of Tamarindo, Costa Rica, at a depth of 15.0 km and coordinates 10.3960°, -86.2408°. This earthquake was detected by 90 seismic stations with moderate location accuracy and was assigned a USGS significance rating of 326, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-86.2408°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Tamarindo, Costa Rica?
The magnitude 4.6 earthquake that struck 45 km WNW of Tamarindo, Costa Rica on October 11, 2024 at 20:40 UTC had a depth of 15.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 10.3960°, -86.2408°, which is 45 km WNW of Tamarindo, Costa Rica.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000ny6e). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, October 11, 2024). M4.6 Earthquake 45 km WNW of Tamarindo, Costa Rica — October 11, 2024. Retrieved December 23, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000ny6e/