M4.9 Earthquake 88 km SW of Tarauacá, Brazil — November 11, 2022
2022-11-11 12:34:45 UTC (2022-11-11) · approx. 7:34 AM UTC-5 local
On November 11, 2022 at 12:34 UTC, a magnitude 4.9 deep-focus earthquake struck 88 km SW of Tarauacá, Brazil, at a depth of 627.0 km and coordinates -8.6120°, -71.4280°. This earthquake was detected by 99 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 369, placing it among routine seismic activity.
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
-71.4280°E
Technical Information
Common Questions
How strong was the magnitude 4.9 earthquake near Tarauacá, Brazil?
The magnitude 4.9 earthquake that struck 88 km SW of Tarauacá, Brazil on November 11, 2022 at 12:34 UTC had a depth of 627.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -8.6120°, -71.4280°, which is 88 km SW of Tarauacá, Brazil.
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: us7000ip1g). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, November 11, 2022). M4.9 Earthquake 88 km SW of Tarauacá, Brazil — November 11, 2022. Retrieved January 21, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000ip1g/