M4.7 Earthquake 27 km SSE of Tena, Ecuador — November 18, 2023
2023-11-18 06:35:49 UTC (2023-11-18) · approx. 1:35 AM UTC-5 local
On November 18, 2023 at 06:35 UTC, a magnitude 4.7 intermediate depth earthquake struck 27 km SSE of Tena, Ecuador, at a depth of 189.0 km and coordinates -1.2383°, -77.7529°. This earthquake was detected by 92 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 340, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-77.7529°E
Technical Information
Common Questions
How strong was the magnitude 4.7 earthquake near Tena, Ecuador?
The magnitude 4.7 earthquake that struck 27 km SSE of Tena, Ecuador on November 18, 2023 at 06:35 UTC had a depth of 189.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -1.2383°, -77.7529°, which is 27 km SSE of Tena, Ecuador.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000lpa5). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, November 18, 2023). M4.7 Earthquake 27 km SSE of Tena, Ecuador — November 18, 2023. Retrieved January 26, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000lpa5/