M4.2 Earthquake 21 km ENE of Río Segundo, Costa Rica — November 14, 2023
2023-11-14 19:01:14 UTC (2023-11-14) · approx. 1:01 PM UTC-6 local
On November 14, 2023 at 19:01 UTC, a magnitude 4.2 intermediate depth earthquake struck 21 km ENE of Río Segundo, Costa Rica, at a depth of 111.1 km and coordinates 10.2986°, -84.1348°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-84.1348°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Río Segundo, Costa Rica?
The magnitude 4.2 earthquake that struck 21 km ENE of Río Segundo, Costa Rica on November 14, 2023 at 19:01 UTC had a depth of 111.1 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000lp6i). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, November 14, 2023). M4.2 Earthquake 21 km ENE of Río Segundo, Costa Rica — November 14, 2023. Retrieved January 26, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000lp6i/