M4.2 Earthquake 72 km WNW of Kupang, Indonesia — May 20, 2024
2024-05-20 21:37:34 UTC (2024-05-20) · approx. 5:37 AM UTC+8 local
On May 20, 2024 at 21:37 UTC, a magnitude 4.2 shallow crustal earthquake struck 72 km WNW of Kupang, Indonesia, at a depth of 10.0 km and coordinates -9.9963°, 122.9697°.
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
122.9697°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Kupang, Indonesia?
The magnitude 4.2 earthquake that struck 72 km WNW of Kupang, Indonesia on May 20, 2024 at 21:37 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 4.2 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: us6000mzwz). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, May 20, 2024). M4.2 Earthquake 72 km WNW of Kupang, Indonesia — May 20, 2024. Retrieved August 6, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000mzwz/