M4.5 Earthquake 75 km NW of Tamarindo, Costa Rica — March 11, 2024
2024-03-11 03:59:01 UTC (2024-03-11) · approx. 9:59 PM UTC-6 local
On March 11, 2024 at 03:59 UTC, a magnitude 4.5 shallow crustal earthquake struck 75 km NW of Tamarindo, Costa Rica, at a depth of 10.0 km and coordinates 10.6832°, -86.4136°. This earthquake was detected by 69 seismic stations with good location accuracy and was assigned a USGS significance rating of 312, 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.
Earthquake Details
-86.4136°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 75 km NW of Tamarindo, Costa Rica on March 11, 2024 at 03:59 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 10.6832°, -86.4136°, which is 75 km NW 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: us7000m4m3). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, March 11, 2024). M4.5 Earthquake 75 km NW of Tamarindo, Costa Rica — March 11, 2024. Retrieved May 18, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000m4m3/