M4.1 Earthquake 48 km ESE of Murghob, Tajikistan — October 17, 2021
2021-10-17 21:03:12 UTC (2021-10-17) · approx. 2:03 AM UTC+5 local
On October 17, 2021 at 21:03 UTC, a magnitude 4.1 intermediate depth earthquake struck 48 km ESE of Murghob, Tajikistan, at a depth of 189.3 km and coordinates 38.0465°, 74.4981°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
74.4981°E
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Common Questions
How strong was the magnitude 4.1 earthquake near Murghob, Tajikistan?
The magnitude 4.1 earthquake that struck 48 km ESE of Murghob, Tajikistan on October 17, 2021 at 21:03 UTC had a depth of 189.3 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 4.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000fvi0). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, October 17, 2021). M4.1 Earthquake 48 km ESE of Murghob, Tajikistan — October 17, 2021. Retrieved December 25, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000fvi0/