M4.0 Earthquake 225 km NE of Lospalos, Timor Leste — October 20, 2022
2022-10-20 20:25:23 UTC (2022-10-20) · approx. 5:25 AM UTC+9 local
On October 20, 2022 at 20:25 UTC, a magnitude 4.0 intermediate depth earthquake struck 225 km NE of Lospalos, Timor Leste, at a depth of 144.9 km and coordinates -7.3295°, 128.6603°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
128.6603°E
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Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.0 earthquake near Lospalos, Timor Leste?
The magnitude 4.0 earthquake that struck 225 km NE of Lospalos, Timor Leste on October 20, 2022 at 20:25 UTC had a depth of 144.9 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 4.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000ivcf). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, October 20, 2022). M4.0 Earthquake 225 km NE of Lospalos, Timor Leste — October 20, 2022. Retrieved December 31, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000ivcf/