M4.4 Earthquake 130 km S of Abepura, Indonesia — November 21, 2021
2021-11-21 18:22:44 UTC (2021-11-21) · approx. 3:22 AM UTC+9 local
On November 21, 2021 at 18:22 UTC, a magnitude 4.4 shallow crustal earthquake struck 130 km S of Abepura, Indonesia, at a depth of 48.9 km and coordinates -3.7784°, 140.5658°.
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
140.5658°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.4 earthquake near Abepura, Indonesia?
The magnitude 4.4 earthquake that struck 130 km S of Abepura, Indonesia on November 21, 2021 at 18:22 UTC had a depth of 48.9 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 4.4 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000fx1l). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, November 21, 2021). M4.4 Earthquake 130 km S of Abepura, Indonesia — November 21, 2021. Retrieved January 29, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000fx1l/