M3.0 Earthquake 204 km W of Langlois, Oregon — November 30, 2021
2021-11-30 20:09:36 UTC (2021-11-30) · approx. 12:09 PM UTC-8 local
On November 30, 2021 at 20:09 UTC, a magnitude 3.0 shallow crustal earthquake struck 204 km W of Langlois, Oregon, at a depth of 10.0 km and coordinates 43.2557°, -126.9215°.
Physical scale: An earthquake of magnitude 3.0 releases seismic energy equivalent to roughly 477 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 71 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-126.9215°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.0 earthquake near Langlois, Oregon?
The magnitude 3.0 earthquake that struck 204 km W of Langlois, Oregon on November 30, 2021 at 20:09 UTC had a depth of 10.0 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 3.0 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 3.0 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000g7zq). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, November 30, 2021). M3.0 Earthquake 204 km W of Langlois, Oregon — November 30, 2021. Retrieved February 5, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000g7zq/