M4.5 Earthquake 51 km WNW of Tamarindo, Costa Rica — October 8, 2024
2024-10-08 20:25:44 UTC (2024-10-08) · approx. 2:25 PM UTC-6 local
Felt by 4 people across nearby locations.
On October 8, 2024 at 20:25 UTC, a magnitude 4.5 shallow crustal earthquake struck 51 km WNW of Tamarindo, Costa Rica, at a depth of 10.0 km and coordinates 10.4321°, -86.2910°. This earthquake was detected by 103 seismic stations with moderate location accuracy and was assigned a USGS significance rating of 313, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 4 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-86.2910°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near Tamarindo, Costa Rica?
The magnitude 4.5 earthquake that struck 51 km WNW of Tamarindo, Costa Rica on October 8, 2024 at 20:25 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 10.4321°, -86.2910°, which is 51 km WNW of Tamarindo, Costa Rica.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000nxe5). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, October 8, 2024). M4.5 Earthquake 51 km WNW of Tamarindo, Costa Rica — October 8, 2024. Retrieved December 23, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000nxe5/