M4.4 Earthquake 139 km W of Tual, Indonesia — October 9, 2020
2020-10-09 21:41:30 UTC (2020-10-09) · approx. 6:41 AM UTC+9 local
On October 9, 2020 at 21:41 UTC, a magnitude 4.4 shallow crustal earthquake struck 139 km W of Tual, Indonesia, at a depth of 35.0 km and coordinates -5.5160°, 131.4992°.
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
131.4992°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.4 earthquake near Tual, Indonesia?
The magnitude 4.4 earthquake that struck 139 km W of Tual, Indonesia on October 9, 2020 at 21:41 UTC had a depth of 35.0 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: us6000c89u). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, October 9, 2020). M4.4 Earthquake 139 km W of Tual, Indonesia — October 9, 2020. Retrieved December 19, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000c89u/