M4.2 Earthquake 189 km WNW of Abepura, Indonesia — September 12, 2022
2022-09-12 20:41:48 UTC (2022-09-12) · approx. 5:41 AM UTC+9 local
On September 12, 2022 at 20:41 UTC, a magnitude 4.2 shallow crustal earthquake struck 189 km WNW of Abepura, Indonesia, at a depth of 29.9 km and coordinates -1.9743°, 139.0450°.
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
139.0450°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Abepura, Indonesia?
The magnitude 4.2 earthquake that struck 189 km WNW of Abepura, Indonesia on September 12, 2022 at 20:41 UTC had a depth of 29.9 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: us7000i9h7). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, September 12, 2022). M4.2 Earthquake 189 km WNW of Abepura, Indonesia — September 12, 2022. Retrieved November 19, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000i9h7/