M4.4 Earthquake 2 km WSW of Petit Trou de Nippes, Haiti — August 15, 2021
2021-08-15 22:48:43 UTC (2021-08-15) · approx. 5:48 PM UTC-5 local
On August 15, 2021 at 22:48 UTC, a magnitude 4.4 shallow crustal earthquake struck 2 km WSW of Petit Trou de Nippes, Haiti, at a depth of 10.0 km and coordinates 18.5163°, -73.5273°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-73.5273°E
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Common Questions
How strong was the magnitude 4.4 earthquake near Petit Trou de Nippes, Haiti?
The magnitude 4.4 earthquake that struck 2 km WSW of Petit Trou de Nippes, Haiti on August 15, 2021 at 22:48 UTC had a depth of 10.0 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 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000f6r1). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, August 15, 2021). M4.4 Earthquake 2 km WSW of Petit Trou de Nippes, Haiti — August 15, 2021. Retrieved October 29, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000f6r1/