M4.6 Earthquake 29 km SSE of Burica, Panama — July 21, 2021
2021-07-21 21:34:38 UTC (2021-07-21) · approx. 3:34 PM UTC-6 local
Felt by 2 people across nearby locations.
On July 21, 2021 at 21:34 UTC, a magnitude 4.6 shallow crustal earthquake struck 29 km SSE of Burica, Panama, at a depth of 10.0 km and coordinates 7.7720°, -82.8081°.
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.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 2 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
-82.8081°E
Technical Information
Common Questions
How strong was the magnitude 4.6 earthquake near Burica, Panama?
The magnitude 4.6 earthquake that struck 29 km SSE of Burica, Panama on July 21, 2021 at 21:34 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 7.7720°, -82.8081°, which is 29 km SSE of Burica, Panama.
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: us6000exs9). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, July 21, 2021). M4.6 Earthquake 29 km SSE of Burica, Panama — July 21, 2021. Retrieved September 25, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000exs9/