M4.1 Earthquake 33 km N of Kilimatinde, Tanzania — October 15, 2023
2023-10-15 22:16:07 UTC (2023-10-15) · approx. 12:16 AM UTC+2 local
On October 15, 2023 at 22:16 UTC, a magnitude 4.1 shallow crustal earthquake struck 33 km N of Kilimatinde, Tanzania, at a depth of 10.0 km and coordinates -5.5476°, 34.9477°.
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
34.9477°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Kilimatinde, Tanzania?
The magnitude 4.1 earthquake that struck 33 km N of Kilimatinde, Tanzania on October 15, 2023 at 22:16 UTC had a depth of 10.0 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 4.1 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: us6000lgv9). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, October 15, 2023). M4.1 Earthquake 33 km N of Kilimatinde, Tanzania — October 15, 2023. Retrieved December 26, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000lgv9/