M3.9 Earthquake 61 km E of Khorugh, Tajikistan — June 18, 2023
2023-06-18 22:17:34 UTC (2023-06-18) · approx. 3:17 AM UTC+5 local
On June 18, 2023 at 22:17 UTC, a magnitude 3.9 intermediate depth earthquake struck 61 km E of Khorugh, Tajikistan, at a depth of 187.4 km and coordinates 37.5576°, 72.2479°.
Physical scale: An earthquake of magnitude 3.9 releases seismic energy equivalent to roughly 11 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 296 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
72.2479°E
Technical Information
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Common Questions
How strong was the magnitude 3.9 earthquake near Khorugh, Tajikistan?
The magnitude 3.9 earthquake that struck 61 km E of Khorugh, Tajikistan on June 18, 2023 at 22:17 UTC had a depth of 187.4 km. For context, this was a minor earthquake typically detected only by instruments.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.9 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.9 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us7000k9g3). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, June 18, 2023). M3.9 Earthquake 61 km E of Khorugh, Tajikistan — June 18, 2023. Retrieved August 26, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000k9g3/