M4.9 Earthquake 53 km W of Sardinal, Costa Rica — March 21, 2022
2022-03-21 05:17:16 UTC (2022-03-21) · approx. 11:17 PM UTC-6 local
Felt by 4 people across nearby locations.
On March 21, 2022 at 05:17 UTC, a magnitude 4.9 shallow crustal earthquake struck 53 km W of Sardinal, Costa Rica, at a depth of 36.1 km and coordinates 10.5342°, -86.1401°.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — 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
-86.1401°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Sardinal, Costa Rica?
The magnitude 4.9 earthquake that struck 53 km W of Sardinal, Costa Rica on March 21, 2022 at 05:17 UTC had a depth of 36.1 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 10.5342°, -86.1401°, which is 53 km W of Sardinal, Costa Rica.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000h6b9). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, March 21, 2022). M4.9 Earthquake 53 km W of Sardinal, Costa Rica — March 21, 2022. Retrieved May 28, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000h6b9/