M4.9 Earthquake 187 km NE of Lospalos, Timor Leste — July 21, 2021
2021-07-21 04:33:36 UTC (2021-07-21) · approx. 1:33 PM UTC+9 local
On July 21, 2021 at 04:33 UTC, a magnitude 4.9 intermediate depth earthquake struck 187 km NE of Lospalos, Timor Leste, at a depth of 138.4 km and coordinates -7.4139°, 128.2905°.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
128.2905°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Lospalos, Timor Leste?
The magnitude 4.9 earthquake that struck 187 km NE of Lospalos, Timor Leste on July 21, 2021 at 04:33 UTC had a depth of 138.4 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -7.4139°, 128.2905°, which is 187 km NE of Lospalos, Timor Leste.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000exj7). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, July 21, 2021). M4.9 Earthquake 187 km NE of Lospalos, Timor Leste — July 21, 2021. Retrieved September 25, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000exj7/