M4.2 Earthquake 15 km ESE of Moron, Haiti — August 27, 2021
2021-08-27 20:28:34 UTC (2021-08-27) · approx. 3:28 PM UTC-5 local
On August 27, 2021 at 20:28 UTC, a magnitude 4.2 shallow crustal earthquake struck 15 km ESE of Moron, Haiti, at a depth of 14.2 km and coordinates 18.5019°, -74.1203°.
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
-74.1203°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Moron, Haiti?
The magnitude 4.2 earthquake that struck 15 km ESE of Moron, Haiti on August 27, 2021 at 20:28 UTC had a depth of 14.2 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: us7000f8m2). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, August 27, 2021). M4.2 Earthquake 15 km ESE of Moron, Haiti — August 27, 2021. Retrieved November 6, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000f8m2/